7489790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 17169408

約数和(自身を除く): 9679618

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 137, 142, 154, 274, 355, 385, 497, 685, 710, 770, 781, 959, 994, 1370, 1507, 1562, 1918, 2485, 3014, 3905, 4795, 4970, 5467, 7535, 7810, 9590, 9727, 10549, 10934, 15070, 19454, 21098, 27335, 48635, 52745, 54670, 68089, 97270, 105490, 106997, 136178, 213994, 340445, 534985, 680890, 748979, 1069970, 1497958, 3744895, 7489790]

約数ペア:

[(1, 7489790), (2, 3744895), (5, 1497958), (7, 1069970), (10, 748979), (11, 680890), (14, 534985), (22, 340445), (35, 213994), (55, 136178), (70, 106997), (71, 105490), (77, 97270), (110, 68089), (137, 54670), (142, 52745), (154, 48635), (274, 27335), (355, 21098), (385, 19454), (497, 15070), (685, 10934), (710, 10549), (770, 9727), (781, 9590), (959, 7810), (994, 7535), (1370, 5467), (1507, 4970), (1562, 4795), (1918, 3905), (2485, 3014)]