722969290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 1388482560

約数和(自身を除く): 665513270

約数列:

[1, 2, 5, 10, 31, 53, 62, 79, 106, 155, 158, 265, 310, 395, 530, 557, 790, 1114, 1643, 2449, 2785, 3286, 4187, 4898, 5570, 8215, 8374, 12245, 16430, 17267, 20935, 24490, 29521, 34534, 41870, 44003, 59042, 86335, 88006, 129797, 147605, 172670, 220015, 259594, 295210, 440030, 648985, 915151, 1297970, 1364093, 1830302, 2332159, 2728186, 4575755, 4664318, 6820465, 9151510, 11660795, 13640930, 23321590, 72296929, 144593858, 361484645, 722969290]

約数ペア:

[(1, 722969290), (2, 361484645), (5, 144593858), (10, 72296929), (31, 23321590), (53, 13640930), (62, 11660795), (79, 9151510), (106, 6820465), (155, 4664318), (158, 4575755), (265, 2728186), (310, 2332159), (395, 1830302), (530, 1364093), (557, 1297970), (790, 915151), (1114, 648985), (1643, 440030), (2449, 295210), (2785, 259594), (3286, 220015), (4187, 172670), (4898, 147605), (5570, 129797), (8215, 88006), (8374, 86335), (12245, 59042), (16430, 44003), (17267, 41870), (20935, 34534), (24490, 29521)]