520027928

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 1199923200

約数和(自身を除く): 679895272

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 47, 56, 61, 79, 82, 94, 122, 158, 164, 188, 244, 287, 316, 328, 329, 376, 427, 488, 553, 574, 632, 658, 854, 1106, 1148, 1316, 1708, 1927, 2212, 2296, 2501, 2632, 2867, 3239, 3416, 3713, 3854, 4424, 4819, 5002, 5734, 6478, 7426, 7708, 9638, 10004, 11468, 12956, 13489, 14852, 15416, 17507, 19276, 20008, 20069, 22673, 22936, 25912, 25991, 26978, 29704, 33733, 35014, 38552, 40138, 45346, 51982, 53956, 67466, 70028, 80276, 90692, 103964, 107912, 117547, 134932, 140056, 152233, 160552, 181384, 197579, 207928, 226493, 235094, 269864, 304466, 395158, 452986, 470188, 608932, 790316, 822829, 905972, 940376, 1065631, 1217864, 1383053, 1580632, 1585451, 1645658, 1811944, 2131262, 2766106, 3170902, 3291316, 4262524, 5532212, 6341804, 6582632, 8525048, 9286213, 11064424, 12683608, 18572426, 37144852, 65003491, 74289704, 130006982, 260013964, 520027928]

約数ペア:

[(1, 520027928), (2, 260013964), (4, 130006982), (7, 74289704), (8, 65003491), (14, 37144852), (28, 18572426), (41, 12683608), (47, 11064424), (56, 9286213), (61, 8525048), (79, 6582632), (82, 6341804), (94, 5532212), (122, 4262524), (158, 3291316), (164, 3170902), (188, 2766106), (244, 2131262), (287, 1811944), (316, 1645658), (328, 1585451), (329, 1580632), (376, 1383053), (427, 1217864), (488, 1065631), (553, 940376), (574, 905972), (632, 822829), (658, 790316), (854, 608932), (1106, 470188), (1148, 452986), (1316, 395158), (1708, 304466), (1927, 269864), (2212, 235094), (2296, 226493), (2501, 207928), (2632, 197579), (2867, 181384), (3239, 160552), (3416, 152233), (3713, 140056), (3854, 134932), (4424, 117547), (4819, 107912), (5002, 103964), (5734, 90692), (6478, 80276), (7426, 70028), (7708, 67466), (9638, 53956), (10004, 51982), (11468, 45346), (12956, 40138), (13489, 38552), (14852, 35014), (15416, 33733), (17507, 29704), (19276, 26978), (20008, 25991), (20069, 25912), (22673, 22936)]