251135720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5051}}^1$

素因数の和:5186

約数の個数: 64

約数和(自身を含む): 622002240

約数和(自身を除く): 370866520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 2260, 2486, 4520, 4972, 5051, 6215, 9944, 10102, 12430, 20204, 24860, 25255, 40408, 49720, 50510, 55561, 101020, 111122, 202040, 222244, 277805, 444488, 555610, 570763, 1111220, 1141526, 2222440, 2283052, 2853815, 4566104, 5707630, 6278393, 11415260, 12556786, 22830520, 25113572, 31391965, 50227144, 62783930, 125567860, 251135720]

約数ペア:

[(1, 251135720), (2, 125567860), (4, 62783930), (5, 50227144), (8, 31391965), (10, 25113572), (11, 22830520), (20, 12556786), (22, 11415260), (40, 6278393), (44, 5707630), (55, 4566104), (88, 2853815), (110, 2283052), (113, 2222440), (220, 1141526), (226, 1111220), (440, 570763), (452, 555610), (565, 444488), (904, 277805), (1130, 222244), (1243, 202040), (2260, 111122), (2486, 101020), (4520, 55561), (4972, 50510), (5051, 49720), (6215, 40408), (9944, 25255), (10102, 24860), (12430, 20204)]