6404020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 15523200

約数和(自身を除く): 9119180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 307, 596, 614, 745, 1043, 1228, 1490, 1535, 2086, 2149, 2980, 3070, 4172, 4298, 5215, 6140, 8596, 10430, 10745, 20860, 21490, 42980, 45743, 91486, 182972, 228715, 320201, 457430, 640402, 914860, 1280804, 1601005, 3202010, 6404020]

約数ペア:

[(1, 6404020), (2, 3202010), (4, 1601005), (5, 1280804), (7, 914860), (10, 640402), (14, 457430), (20, 320201), (28, 228715), (35, 182972), (70, 91486), (140, 45743), (149, 42980), (298, 21490), (307, 20860), (596, 10745), (614, 10430), (745, 8596), (1043, 6140), (1228, 5215), (1490, 4298), (1535, 4172), (2086, 3070), (2149, 2980)]