28819700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3167}}^1$

素因数の和:3201

約数の個数: 72

約数和(自身を含む): 76995072

約数和(自身を除く): 48175372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 3167, 4550, 6334, 9100, 12668, 15835, 22169, 31670, 41171, 44338, 63340, 79175, 82342, 88676, 110845, 158350, 164684, 205855, 221690, 288197, 316700, 411710, 443380, 554225, 576394, 823420, 1029275, 1108450, 1152788, 1440985, 2058550, 2216900, 2881970, 4117100, 5763940, 7204925, 14409850, 28819700]

約数ペア:

[(1, 28819700), (2, 14409850), (4, 7204925), (5, 5763940), (7, 4117100), (10, 2881970), (13, 2216900), (14, 2058550), (20, 1440985), (25, 1152788), (26, 1108450), (28, 1029275), (35, 823420), (50, 576394), (52, 554225), (65, 443380), (70, 411710), (91, 316700), (100, 288197), (130, 221690), (140, 205855), (175, 164684), (182, 158350), (260, 110845), (325, 88676), (350, 82342), (364, 79175), (455, 63340), (650, 44338), (700, 41171), (910, 31670), (1300, 22169), (1820, 15835), (2275, 12668), (3167, 9100), (4550, 6334)]