18150178900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{328213}}^1$

素因数の和:328313

約数の個数: 72

約数和(自身を含む): 45582360320

約数和(自身を除く): 27432181420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1580, 1975, 2212, 2765, 3950, 5530, 7900, 11060, 13825, 27650, 55300, 328213, 656426, 1312852, 1641065, 2297491, 3282130, 4594982, 6564260, 8205325, 9189964, 11487455, 16410650, 22974910, 25928827, 32821300, 45949820, 51857654, 57437275, 103715308, 114874550, 129644135, 181501789, 229749100, 259288270, 363003578, 518576540, 648220675, 726007156, 907508945, 1296441350, 1815017890, 2592882700, 3630035780, 4537544725, 9075089450, 18150178900]

約数ペア:

[(1, 18150178900), (2, 9075089450), (4, 4537544725), (5, 3630035780), (7, 2592882700), (10, 1815017890), (14, 1296441350), (20, 907508945), (25, 726007156), (28, 648220675), (35, 518576540), (50, 363003578), (70, 259288270), (79, 229749100), (100, 181501789), (140, 129644135), (158, 114874550), (175, 103715308), (316, 57437275), (350, 51857654), (395, 45949820), (553, 32821300), (700, 25928827), (790, 22974910), (1106, 16410650), (1580, 11487455), (1975, 9189964), (2212, 8205325), (2765, 6564260), (3950, 4594982), (5530, 3282130), (7900, 2297491), (11060, 1641065), (13825, 1312852), (27650, 656426), (55300, 328213)]