209749800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{26891}}^1$

素因数の和:26923

約数の個数: 96

約数和(自身を含む): 700267680

約数和(自身を除く): 490517880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 26891, 53782, 80673, 107564, 134455, 161346, 215128, 268910, 322692, 349583, 403365, 537820, 645384, 672275, 699166, 806730, 1048749, 1075640, 1344550, 1398332, 1613460, 1747915, 2016825, 2097498, 2689100, 2796664, 3226920, 3495830, 4033650, 4194996, 5243745, 5378200, 6991660, 8067300, 8389992, 8739575, 10487490, 13983320, 16134600, 17479150, 20974980, 26218725, 34958300, 41949960, 52437450, 69916600, 104874900, 209749800]

約数ペア:

[(1, 209749800), (2, 104874900), (3, 69916600), (4, 52437450), (5, 41949960), (6, 34958300), (8, 26218725), (10, 20974980), (12, 17479150), (13, 16134600), (15, 13983320), (20, 10487490), (24, 8739575), (25, 8389992), (26, 8067300), (30, 6991660), (39, 5378200), (40, 5243745), (50, 4194996), (52, 4033650), (60, 3495830), (65, 3226920), (75, 2796664), (78, 2689100), (100, 2097498), (104, 2016825), (120, 1747915), (130, 1613460), (150, 1398332), (156, 1344550), (195, 1075640), (200, 1048749), (260, 806730), (300, 699166), (312, 672275), (325, 645384), (390, 537820), (520, 403365), (600, 349583), (650, 322692), (780, 268910), (975, 215128), (1300, 161346), (1560, 134455), (1950, 107564), (2600, 80673), (3900, 53782), (7800, 26891)]