247949900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4253}}^1$

素因数の和:4331

約数の個数: 72

約数和(自身を含む): 598180464

約数和(自身を除く): 350230564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 100, 106, 110, 212, 220, 265, 275, 530, 550, 583, 1060, 1100, 1166, 1325, 2332, 2650, 2915, 4253, 5300, 5830, 8506, 11660, 14575, 17012, 21265, 29150, 42530, 46783, 58300, 85060, 93566, 106325, 187132, 212650, 225409, 233915, 425300, 450818, 467830, 901636, 935660, 1127045, 1169575, 2254090, 2339150, 2479499, 4508180, 4678300, 4958998, 5635225, 9917996, 11270450, 12397495, 22540900, 24794990, 49589980, 61987475, 123974950, 247949900]

約数ペア:

[(1, 247949900), (2, 123974950), (4, 61987475), (5, 49589980), (10, 24794990), (11, 22540900), (20, 12397495), (22, 11270450), (25, 9917996), (44, 5635225), (50, 4958998), (53, 4678300), (55, 4508180), (100, 2479499), (106, 2339150), (110, 2254090), (212, 1169575), (220, 1127045), (265, 935660), (275, 901636), (530, 467830), (550, 450818), (583, 425300), (1060, 233915), (1100, 225409), (1166, 212650), (1325, 187132), (2332, 106325), (2650, 93566), (2915, 85060), (4253, 58300), (5300, 46783), (5830, 42530), (8506, 29150), (11660, 21265), (14575, 17012)]