201291220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45541}}^1$

素因数の和:45580

約数の個数: 48

約数和(自身を含む): 482016528

約数和(自身を除く): 280725308

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 45541, 91082, 182164, 227705, 455410, 592033, 774197, 910820, 1184066, 1548394, 2368132, 2960165, 3096788, 3870985, 5920330, 7741970, 10064561, 11840660, 15483940, 20129122, 40258244, 50322805, 100645610, 201291220]

約数ペア:

[(1, 201291220), (2, 100645610), (4, 50322805), (5, 40258244), (10, 20129122), (13, 15483940), (17, 11840660), (20, 10064561), (26, 7741970), (34, 5920330), (52, 3870985), (65, 3096788), (68, 2960165), (85, 2368132), (130, 1548394), (170, 1184066), (221, 910820), (260, 774197), (340, 592033), (442, 455410), (884, 227705), (1105, 182164), (2210, 91082), (4420, 45541)]