521275020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8929}}^1$

素因数の和:9087

約数の個数: 96

約数和(自身を含む): 1680268800

約数和(自身を除く): 1158993780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 556, 695, 834, 973, 1390, 1668, 1946, 2085, 2780, 2919, 3892, 4170, 4865, 5838, 8340, 8929, 9730, 11676, 14595, 17858, 19460, 26787, 29190, 35716, 44645, 53574, 58380, 62503, 89290, 107148, 125006, 133935, 178580, 187509, 250012, 267870, 312515, 375018, 535740, 625030, 750036, 937545, 1241131, 1250060, 1875090, 2482262, 3723393, 3750180, 4964524, 6205655, 7446786, 8687917, 12411310, 14893572, 17375834, 18616965, 24822620, 26063751, 34751668, 37233930, 43439585, 52127502, 74467860, 86879170, 104255004, 130318755, 173758340, 260637510, 521275020]

約数ペア:

[(1, 521275020), (2, 260637510), (3, 173758340), (4, 130318755), (5, 104255004), (6, 86879170), (7, 74467860), (10, 52127502), (12, 43439585), (14, 37233930), (15, 34751668), (20, 26063751), (21, 24822620), (28, 18616965), (30, 17375834), (35, 14893572), (42, 12411310), (60, 8687917), (70, 7446786), (84, 6205655), (105, 4964524), (139, 3750180), (140, 3723393), (210, 2482262), (278, 1875090), (417, 1250060), (420, 1241131), (556, 937545), (695, 750036), (834, 625030), (973, 535740), (1390, 375018), (1668, 312515), (1946, 267870), (2085, 250012), (2780, 187509), (2919, 178580), (3892, 133935), (4170, 125006), (4865, 107148), (5838, 89290), (8340, 62503), (8929, 58380), (9730, 53574), (11676, 44645), (14595, 35716), (17858, 29190), (19460, 26787)]