100207880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 231336000

約数和(自身を除く): 131128120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 139, 268, 269, 278, 335, 536, 538, 556, 670, 695, 1076, 1112, 1340, 1345, 1390, 2152, 2680, 2690, 2780, 5380, 5560, 9313, 10760, 18023, 18626, 36046, 37252, 37391, 46565, 72092, 74504, 74782, 90115, 93130, 144184, 149564, 180230, 186260, 186955, 299128, 360460, 372520, 373910, 720920, 747820, 1495640, 2505197, 5010394, 10020788, 12525985, 20041576, 25051970, 50103940, 100207880]

約数ペア:

[(1, 100207880), (2, 50103940), (4, 25051970), (5, 20041576), (8, 12525985), (10, 10020788), (20, 5010394), (40, 2505197), (67, 1495640), (134, 747820), (139, 720920), (268, 373910), (269, 372520), (278, 360460), (335, 299128), (536, 186955), (538, 186260), (556, 180230), (670, 149564), (695, 144184), (1076, 93130), (1112, 90115), (1340, 74782), (1345, 74504), (1390, 72092), (2152, 46565), (2680, 37391), (2690, 37252), (2780, 36046), (5380, 18626), (5560, 18023), (9313, 10760)]