2018015020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{18223}}^1$

素因数の和:18359

約数の個数: 72

約数和(自身を含む): 4973621184

約数和(自身を除く): 2955606164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 3164, 3955, 5537, 7910, 11074, 15820, 18223, 22148, 27685, 36446, 55370, 72892, 91115, 110740, 127561, 182230, 255122, 364460, 510244, 637805, 892927, 1275610, 1785854, 2059199, 2551220, 3571708, 4118398, 4464635, 8236796, 8929270, 10295995, 14414393, 17858540, 20591990, 28828786, 41183980, 57657572, 72071965, 100900751, 144143930, 201801502, 288287860, 403603004, 504503755, 1009007510, 2018015020]

約数ペア:

[(1, 2018015020), (2, 1009007510), (4, 504503755), (5, 403603004), (7, 288287860), (10, 201801502), (14, 144143930), (20, 100900751), (28, 72071965), (35, 57657572), (49, 41183980), (70, 28828786), (98, 20591990), (113, 17858540), (140, 14414393), (196, 10295995), (226, 8929270), (245, 8236796), (452, 4464635), (490, 4118398), (565, 3571708), (791, 2551220), (980, 2059199), (1130, 1785854), (1582, 1275610), (2260, 892927), (3164, 637805), (3955, 510244), (5537, 364460), (7910, 255122), (11074, 182230), (15820, 127561), (18223, 110740), (22148, 91115), (27685, 72892), (36446, 55370)]