427424260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1663}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 915812352

約数和(自身を除く): 488388092

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 710, 724, 905, 1420, 1663, 1810, 3326, 3620, 6652, 8315, 12851, 16630, 25702, 33260, 51404, 64255, 118073, 128510, 236146, 257020, 301003, 472292, 590365, 602006, 1180730, 1204012, 1505015, 2361460, 3010030, 6020060, 21371213, 42742426, 85484852, 106856065, 213712130, 427424260]

約数ペア:

[(1, 427424260), (2, 213712130), (4, 106856065), (5, 85484852), (10, 42742426), (20, 21371213), (71, 6020060), (142, 3010030), (181, 2361460), (284, 1505015), (355, 1204012), (362, 1180730), (710, 602006), (724, 590365), (905, 472292), (1420, 301003), (1663, 257020), (1810, 236146), (3326, 128510), (3620, 118073), (6652, 64255), (8315, 51404), (12851, 33260), (16630, 25702)]