404700920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 995710320

約数和(自身を除く): 591009400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 169, 260, 262, 338, 457, 520, 524, 655, 676, 845, 914, 1048, 1310, 1352, 1690, 1703, 1828, 2285, 2620, 3380, 3406, 3656, 4570, 5240, 5941, 6760, 6812, 8515, 9140, 11882, 13624, 17030, 18280, 22139, 23764, 29705, 34060, 44278, 47528, 59410, 59867, 68120, 77233, 88556, 110695, 118820, 119734, 154466, 177112, 221390, 237640, 239468, 299335, 308932, 386165, 442780, 478936, 598670, 617864, 772330, 778271, 885560, 1197340, 1544660, 1556542, 2394680, 3089320, 3113084, 3891355, 6226168, 7782710, 10117523, 15565420, 20235046, 31130840, 40470092, 50587615, 80940184, 101175230, 202350460, 404700920]

約数ペア:

[(1, 404700920), (2, 202350460), (4, 101175230), (5, 80940184), (8, 50587615), (10, 40470092), (13, 31130840), (20, 20235046), (26, 15565420), (40, 10117523), (52, 7782710), (65, 6226168), (104, 3891355), (130, 3113084), (131, 3089320), (169, 2394680), (260, 1556542), (262, 1544660), (338, 1197340), (457, 885560), (520, 778271), (524, 772330), (655, 617864), (676, 598670), (845, 478936), (914, 442780), (1048, 386165), (1310, 308932), (1352, 299335), (1690, 239468), (1703, 237640), (1828, 221390), (2285, 177112), (2620, 154466), (3380, 119734), (3406, 118820), (3656, 110695), (4570, 88556), (5240, 77233), (5941, 68120), (6760, 59867), (6812, 59410), (8515, 47528), (9140, 44278), (11882, 34060), (13624, 29705), (17030, 23764), (18280, 22139)]