2038897720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{7331}}^1$

素因数の和:7768

約数の個数: 64

約数和(自身を含む): 4869914400

約数和(自身を除く): 2831016680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 409, 680, 818, 1636, 2045, 3272, 4090, 6953, 7331, 8180, 13906, 14662, 16360, 27812, 29324, 34765, 36655, 55624, 58648, 69530, 73310, 124627, 139060, 146620, 249254, 278120, 293240, 498508, 623135, 997016, 1246270, 2492540, 2998379, 4985080, 5996758, 11993516, 14991895, 23987032, 29983790, 50972443, 59967580, 101944886, 119935160, 203889772, 254862215, 407779544, 509724430, 1019448860, 2038897720]

約数ペア:

[(1, 2038897720), (2, 1019448860), (4, 509724430), (5, 407779544), (8, 254862215), (10, 203889772), (17, 119935160), (20, 101944886), (34, 59967580), (40, 50972443), (68, 29983790), (85, 23987032), (136, 14991895), (170, 11993516), (340, 5996758), (409, 4985080), (680, 2998379), (818, 2492540), (1636, 1246270), (2045, 997016), (3272, 623135), (4090, 498508), (6953, 293240), (7331, 278120), (8180, 249254), (13906, 146620), (14662, 139060), (16360, 124627), (27812, 73310), (29324, 69530), (34765, 58648), (36655, 55624)]