992420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 2455488

約数和(自身を除く): 1463068

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 347, 572, 694, 715, 1388, 1430, 1735, 2860, 3470, 3817, 4511, 6940, 7634, 9022, 15268, 18044, 19085, 22555, 38170, 45110, 49621, 76340, 90220, 99242, 198484, 248105, 496210, 992420]

約数ペア:

[(1, 992420), (2, 496210), (4, 248105), (5, 198484), (10, 99242), (11, 90220), (13, 76340), (20, 49621), (22, 45110), (26, 38170), (44, 22555), (52, 19085), (55, 18044), (65, 15268), (110, 9022), (130, 7634), (143, 6940), (220, 4511), (260, 3817), (286, 3470), (347, 2860), (572, 1735), (694, 1430), (715, 1388)]