7438340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 19832064

約数和(自身を除く): 12393724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 67, 70, 91, 122, 130, 134, 140, 182, 244, 260, 268, 305, 335, 364, 427, 455, 469, 610, 670, 793, 854, 871, 910, 938, 1220, 1340, 1586, 1708, 1742, 1820, 1876, 2135, 2345, 3172, 3484, 3965, 4087, 4270, 4355, 4690, 5551, 6097, 7930, 8174, 8540, 8710, 9380, 11102, 12194, 15860, 16348, 17420, 20435, 22204, 24388, 27755, 28609, 30485, 40870, 53131, 55510, 57218, 60970, 81740, 106262, 111020, 114436, 121940, 143045, 212524, 265655, 286090, 371917, 531310, 572180, 743834, 1062620, 1487668, 1859585, 3719170, 7438340]

約数ペア:

[(1, 7438340), (2, 3719170), (4, 1859585), (5, 1487668), (7, 1062620), (10, 743834), (13, 572180), (14, 531310), (20, 371917), (26, 286090), (28, 265655), (35, 212524), (52, 143045), (61, 121940), (65, 114436), (67, 111020), (70, 106262), (91, 81740), (122, 60970), (130, 57218), (134, 55510), (140, 53131), (182, 40870), (244, 30485), (260, 28609), (268, 27755), (305, 24388), (335, 22204), (364, 20435), (427, 17420), (455, 16348), (469, 15860), (610, 12194), (670, 11102), (793, 9380), (854, 8710), (871, 8540), (910, 8174), (938, 7930), (1220, 6097), (1340, 5551), (1586, 4690), (1708, 4355), (1742, 4270), (1820, 4087), (1876, 3965), (2135, 3484), (2345, 3172)]