489913956

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:120

約数の個数: 243

約数和(自身を含む): 1581262137

約数和(自身を除く): 1091348181

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 31, 34, 36, 42, 49, 51, 62, 63, 68, 84, 93, 98, 102, 119, 124, 126, 147, 153, 186, 196, 204, 217, 238, 252, 279, 289, 294, 306, 357, 372, 434, 441, 476, 527, 558, 578, 588, 612, 651, 714, 833, 867, 868, 882, 961, 1054, 1071, 1116, 1156, 1302, 1428, 1519, 1581, 1666, 1734, 1764, 1922, 1953, 2023, 2108, 2142, 2499, 2601, 2604, 2883, 3038, 3162, 3332, 3468, 3689, 3844, 3906, 4046, 4284, 4557, 4743, 4998, 5202, 5766, 6069, 6076, 6324, 6727, 7378, 7497, 7812, 8092, 8649, 8959, 9114, 9486, 9996, 10404, 11067, 11532, 12138, 13454, 13671, 14161, 14756, 14994, 16337, 17298, 17918, 18207, 18228, 18972, 20181, 22134, 24276, 25823, 26877, 26908, 27342, 28322, 29988, 32674, 33201, 34596, 35836, 36414, 40362, 42483, 44268, 47089, 49011, 51646, 53754, 54684, 56644, 60543, 62713, 65348, 66402, 72828, 77469, 80631, 80724, 84966, 94178, 98022, 103292, 107508, 114359, 121086, 125426, 127449, 132804, 141267, 147033, 154938, 161262, 169932, 188139, 188356, 196044, 228718, 232407, 242172, 250852, 254898, 277729, 282534, 294066, 309876, 322524, 343077, 376278, 423801, 438991, 457436, 464814, 509796, 555458, 564417, 565068, 588132, 686154, 752556, 800513, 833187, 847602, 877982, 929628, 1029231, 1110916, 1128834, 1316973, 1372308, 1601026, 1666374, 1695204, 1755964, 1944103, 2058462, 2257668, 2401539, 2499561, 2633946, 3202052, 3332748, 3888206, 3950919, 4116924, 4803078, 4999122, 5267892, 5832309, 7204617, 7776412, 7901838, 9606156, 9998244, 11664618, 13608721, 14409234, 15803676, 17496927, 23329236, 27217442, 28818468, 34993854, 40826163, 54434884, 69987708, 81652326, 122478489, 163304652, 244956978, 489913956]

約数ペア:

[(1, 489913956), (2, 244956978), (3, 163304652), (4, 122478489), (6, 81652326), (7, 69987708), (9, 54434884), (12, 40826163), (14, 34993854), (17, 28818468), (18, 27217442), (21, 23329236), (28, 17496927), (31, 15803676), (34, 14409234), (36, 13608721), (42, 11664618), (49, 9998244), (51, 9606156), (62, 7901838), (63, 7776412), (68, 7204617), (84, 5832309), (93, 5267892), (98, 4999122), (102, 4803078), (119, 4116924), (124, 3950919), (126, 3888206), (147, 3332748), (153, 3202052), (186, 2633946), (196, 2499561), (204, 2401539), (217, 2257668), (238, 2058462), (252, 1944103), (279, 1755964), (289, 1695204), (294, 1666374), (306, 1601026), (357, 1372308), (372, 1316973), (434, 1128834), (441, 1110916), (476, 1029231), (527, 929628), (558, 877982), (578, 847602), (588, 833187), (612, 800513), (651, 752556), (714, 686154), (833, 588132), (867, 565068), (868, 564417), (882, 555458), (961, 509796), (1054, 464814), (1071, 457436), (1116, 438991), (1156, 423801), (1302, 376278), (1428, 343077), (1519, 322524), (1581, 309876), (1666, 294066), (1734, 282534), (1764, 277729), (1922, 254898), (1953, 250852), (2023, 242172), (2108, 232407), (2142, 228718), (2499, 196044), (2601, 188356), (2604, 188139), (2883, 169932), (3038, 161262), (3162, 154938), (3332, 147033), (3468, 141267), (3689, 132804), (3844, 127449), (3906, 125426), (4046, 121086), (4284, 114359), (4557, 107508), (4743, 103292), (4998, 98022), (5202, 94178), (5766, 84966), (6069, 80724), (6076, 80631), (6324, 77469), (6727, 72828), (7378, 66402), (7497, 65348), (7812, 62713), (8092, 60543), (8649, 56644), (8959, 54684), (9114, 53754), (9486, 51646), (9996, 49011), (10404, 47089), (11067, 44268), (11532, 42483), (12138, 40362), (13454, 36414), (13671, 35836), (14161, 34596), (14756, 33201), (14994, 32674), (16337, 29988), (17298, 28322), (17918, 27342), (18207, 26908), (18228, 26877), (18972, 25823), (20181, 24276)]