1999761780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:434

約数の個数: 192

約数和(自身を含む): 6062112000

約数和(自身を除く): 4062350220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 149, 183, 190, 193, 228, 244, 285, 298, 305, 366, 380, 386, 447, 570, 579, 596, 610, 732, 745, 772, 894, 915, 965, 1140, 1158, 1159, 1220, 1490, 1788, 1830, 1930, 2235, 2316, 2318, 2831, 2895, 2980, 3477, 3660, 3667, 3860, 4470, 4636, 5662, 5790, 5795, 6954, 7334, 8493, 8940, 9089, 11001, 11324, 11580, 11590, 11773, 13908, 14155, 14668, 16986, 17385, 18178, 18335, 22002, 23180, 23546, 27267, 28310, 28757, 33972, 34770, 35319, 36356, 36670, 42465, 44004, 45445, 47092, 54534, 55005, 56620, 57514, 58865, 69540, 70638, 73340, 84930, 86271, 90890, 109068, 110010, 115028, 117730, 136335, 141276, 143785, 169860, 172542, 172691, 176595, 181780, 220020, 223687, 235460, 272670, 287570, 345084, 345382, 353190, 431355, 447374, 518073, 545340, 546383, 575140, 671061, 690764, 706380, 862710, 863455, 894748, 1036146, 1092766, 1118435, 1342122, 1639149, 1725420, 1726910, 1754177, 2072292, 2185532, 2236870, 2590365, 2684244, 2731915, 3278298, 3355305, 3453820, 3508354, 4473740, 5180730, 5262531, 5463830, 6556596, 6710610, 7016708, 8195745, 8770885, 10361460, 10525062, 10927660, 13421220, 16391490, 17541770, 21050124, 26312655, 32782980, 33329363, 35083540, 52625310, 66658726, 99988089, 105250620, 133317452, 166646815, 199976178, 333293630, 399952356, 499940445, 666587260, 999880890, 1999761780]

約数ペア:

[(1, 1999761780), (2, 999880890), (3, 666587260), (4, 499940445), (5, 399952356), (6, 333293630), (10, 199976178), (12, 166646815), (15, 133317452), (19, 105250620), (20, 99988089), (30, 66658726), (38, 52625310), (57, 35083540), (60, 33329363), (61, 32782980), (76, 26312655), (95, 21050124), (114, 17541770), (122, 16391490), (149, 13421220), (183, 10927660), (190, 10525062), (193, 10361460), (228, 8770885), (244, 8195745), (285, 7016708), (298, 6710610), (305, 6556596), (366, 5463830), (380, 5262531), (386, 5180730), (447, 4473740), (570, 3508354), (579, 3453820), (596, 3355305), (610, 3278298), (732, 2731915), (745, 2684244), (772, 2590365), (894, 2236870), (915, 2185532), (965, 2072292), (1140, 1754177), (1158, 1726910), (1159, 1725420), (1220, 1639149), (1490, 1342122), (1788, 1118435), (1830, 1092766), (1930, 1036146), (2235, 894748), (2316, 863455), (2318, 862710), (2831, 706380), (2895, 690764), (2980, 671061), (3477, 575140), (3660, 546383), (3667, 545340), (3860, 518073), (4470, 447374), (4636, 431355), (5662, 353190), (5790, 345382), (5795, 345084), (6954, 287570), (7334, 272670), (8493, 235460), (8940, 223687), (9089, 220020), (11001, 181780), (11324, 176595), (11580, 172691), (11590, 172542), (11773, 169860), (13908, 143785), (14155, 141276), (14668, 136335), (16986, 117730), (17385, 115028), (18178, 110010), (18335, 109068), (22002, 90890), (23180, 86271), (23546, 84930), (27267, 73340), (28310, 70638), (28757, 69540), (33972, 58865), (34770, 57514), (35319, 56620), (36356, 55005), (36670, 54534), (42465, 47092), (44004, 45445)]