7831420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 17811360

約数和(自身を除く): 9979940

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 557, 703, 740, 1114, 1406, 2228, 2785, 2812, 3515, 5570, 7030, 10583, 11140, 14060, 20609, 21166, 41218, 42332, 52915, 82436, 103045, 105830, 206090, 211660, 391571, 412180, 783142, 1566284, 1957855, 3915710, 7831420]

約数ペア:

[(1, 7831420), (2, 3915710), (4, 1957855), (5, 1566284), (10, 783142), (19, 412180), (20, 391571), (37, 211660), (38, 206090), (74, 105830), (76, 103045), (95, 82436), (148, 52915), (185, 42332), (190, 41218), (370, 21166), (380, 20609), (557, 14060), (703, 11140), (740, 10583), (1114, 7030), (1406, 5570), (2228, 3515), (2785, 2812)]