28671800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 69943440

約数和(自身を除く): 41271640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 271, 460, 529, 542, 575, 920, 1058, 1084, 1150, 1355, 2116, 2168, 2300, 2645, 2710, 4232, 4600, 5290, 5420, 6233, 6775, 10580, 10840, 12466, 13225, 13550, 21160, 24932, 26450, 27100, 31165, 49864, 52900, 54200, 62330, 105800, 124660, 143359, 155825, 249320, 286718, 311650, 573436, 623300, 716795, 1146872, 1246600, 1433590, 2867180, 3583975, 5734360, 7167950, 14335900, 28671800]

約数ペア:

[(1, 28671800), (2, 14335900), (4, 7167950), (5, 5734360), (8, 3583975), (10, 2867180), (20, 1433590), (23, 1246600), (25, 1146872), (40, 716795), (46, 623300), (50, 573436), (92, 311650), (100, 286718), (115, 249320), (184, 155825), (200, 143359), (230, 124660), (271, 105800), (460, 62330), (529, 54200), (542, 52900), (575, 49864), (920, 31165), (1058, 27100), (1084, 26450), (1150, 24932), (1355, 21160), (2116, 13550), (2168, 13225), (2300, 12466), (2645, 10840), (2710, 10580), (4232, 6775), (4600, 6233), (5290, 5420)]