202178680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2819}}^1$

素因数の和:3004

約数の個数: 64

約数和(自身を含む): 499478400

約数和(自身を除く): 297299720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1304, 1630, 1793, 2819, 3260, 3586, 5638, 6520, 7172, 8965, 11276, 14095, 14344, 17930, 22552, 28190, 31009, 35860, 56380, 62018, 71720, 112760, 124036, 155045, 248072, 310090, 459497, 620180, 918994, 1240360, 1837988, 2297485, 3675976, 4594970, 5054467, 9189940, 10108934, 18379880, 20217868, 25272335, 40435736, 50544670, 101089340, 202178680]

約数ペア:

[(1, 202178680), (2, 101089340), (4, 50544670), (5, 40435736), (8, 25272335), (10, 20217868), (11, 18379880), (20, 10108934), (22, 9189940), (40, 5054467), (44, 4594970), (55, 3675976), (88, 2297485), (110, 1837988), (163, 1240360), (220, 918994), (326, 620180), (440, 459497), (652, 310090), (815, 248072), (1304, 155045), (1630, 124036), (1793, 112760), (2819, 71720), (3260, 62018), (3586, 56380), (5638, 35860), (6520, 31009), (7172, 28190), (8965, 22552), (11276, 17930), (14095, 14344)]