1984840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 5261760

約数和(自身を除く): 3276920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 347, 440, 520, 572, 694, 715, 1144, 1388, 1430, 1735, 2776, 2860, 3470, 3817, 4511, 5720, 6940, 7634, 9022, 13880, 15268, 18044, 19085, 22555, 30536, 36088, 38170, 45110, 49621, 76340, 90220, 99242, 152680, 180440, 198484, 248105, 396968, 496210, 992420, 1984840]

約数ペア:

[(1, 1984840), (2, 992420), (4, 496210), (5, 396968), (8, 248105), (10, 198484), (11, 180440), (13, 152680), (20, 99242), (22, 90220), (26, 76340), (40, 49621), (44, 45110), (52, 38170), (55, 36088), (65, 30536), (88, 22555), (104, 19085), (110, 18044), (130, 15268), (143, 13880), (220, 9022), (260, 7634), (286, 6940), (347, 5720), (440, 4511), (520, 3817), (572, 3470), (694, 2860), (715, 2776), (1144, 1735), (1388, 1430)]