398320020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{45161}}^1$

素因数の和:45190

約数の個数: 108

約数和(自身を含む): 1405531764

約数和(自身を除く): 1007211744

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 45161, 90322, 135483, 180644, 225805, 270966, 316127, 406449, 451610, 541932, 632254, 677415, 812898, 903220, 948381, 1264508, 1354830, 1580635, 1625796, 1896762, 2032245, 2212889, 2709660, 2845143, 3161270, 3793524, 4064490, 4425778, 4741905, 5690286, 6322540, 6638667, 8128980, 8851556, 9483810, 11064445, 11380572, 13277334, 14225715, 18967620, 19916001, 22128890, 26554668, 28451430, 33193335, 39832002, 44257780, 56902860, 66386670, 79664004, 99580005, 132773340, 199160010, 398320020]

約数ペア:

[(1, 398320020), (2, 199160010), (3, 132773340), (4, 99580005), (5, 79664004), (6, 66386670), (7, 56902860), (9, 44257780), (10, 39832002), (12, 33193335), (14, 28451430), (15, 26554668), (18, 22128890), (20, 19916001), (21, 18967620), (28, 14225715), (30, 13277334), (35, 11380572), (36, 11064445), (42, 9483810), (45, 8851556), (49, 8128980), (60, 6638667), (63, 6322540), (70, 5690286), (84, 4741905), (90, 4425778), (98, 4064490), (105, 3793524), (126, 3161270), (140, 2845143), (147, 2709660), (180, 2212889), (196, 2032245), (210, 1896762), (245, 1625796), (252, 1580635), (294, 1354830), (315, 1264508), (420, 948381), (441, 903220), (490, 812898), (588, 677415), (630, 632254), (735, 541932), (882, 451610), (980, 406449), (1260, 316127), (1470, 270966), (1764, 225805), (2205, 180644), (2940, 135483), (4410, 90322), (8820, 45161)]