320468380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{757}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 686893536

約数和(自身を除く): 366425156

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 347, 610, 694, 757, 1220, 1388, 1514, 1735, 3028, 3470, 3785, 6940, 7570, 15140, 21167, 42334, 46177, 84668, 92354, 105835, 184708, 211670, 230885, 262679, 423340, 461770, 525358, 923540, 1050716, 1313395, 2626790, 5253580, 16023419, 32046838, 64093676, 80117095, 160234190, 320468380]

約数ペア:

[(1, 320468380), (2, 160234190), (4, 80117095), (5, 64093676), (10, 32046838), (20, 16023419), (61, 5253580), (122, 2626790), (244, 1313395), (305, 1050716), (347, 923540), (610, 525358), (694, 461770), (757, 423340), (1220, 262679), (1388, 230885), (1514, 211670), (1735, 184708), (3028, 105835), (3470, 92354), (3785, 84668), (6940, 46177), (7570, 42334), (15140, 21167)]