250617640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2283

約数の個数: 128

約数和(自身を含む): 716728320

約数和(自身を除く): 466110680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2221, 2821, 3224, 3640, 4030, 4340, 4442, 5642, 8060, 8680, 8884, 11105, 11284, 14105, 15547, 16120, 17768, 22210, 22568, 28210, 28873, 31094, 44420, 56420, 57746, 62188, 68851, 77735, 88840, 112840, 115492, 124376, 137702, 144365, 155470, 202111, 230984, 275404, 288730, 310940, 344255, 404222, 481957, 550808, 577460, 621880, 688510, 808444, 895063, 963914, 1010555, 1154920, 1377020, 1616888, 1790126, 1927828, 2021110, 2409785, 2754040, 3580252, 3855656, 4042220, 4475315, 4819570, 6265441, 7160504, 8084440, 8950630, 9639140, 12530882, 17901260, 19278280, 25061764, 31327205, 35802520, 50123528, 62654410, 125308820, 250617640]

約数ペア:

[(1, 250617640), (2, 125308820), (4, 62654410), (5, 50123528), (7, 35802520), (8, 31327205), (10, 25061764), (13, 19278280), (14, 17901260), (20, 12530882), (26, 9639140), (28, 8950630), (31, 8084440), (35, 7160504), (40, 6265441), (52, 4819570), (56, 4475315), (62, 4042220), (65, 3855656), (70, 3580252), (91, 2754040), (104, 2409785), (124, 2021110), (130, 1927828), (140, 1790126), (155, 1616888), (182, 1377020), (217, 1154920), (248, 1010555), (260, 963914), (280, 895063), (310, 808444), (364, 688510), (403, 621880), (434, 577460), (455, 550808), (520, 481957), (620, 404222), (728, 344255), (806, 310940), (868, 288730), (910, 275404), (1085, 230984), (1240, 202111), (1612, 155470), (1736, 144365), (1820, 137702), (2015, 124376), (2170, 115492), (2221, 112840), (2821, 88840), (3224, 77735), (3640, 68851), (4030, 62188), (4340, 57746), (4442, 56420), (5642, 44420), (8060, 31094), (8680, 28873), (8884, 28210), (11105, 22568), (11284, 22210), (14105, 17768), (15547, 16120)]