344343740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{2633}}^1$

素因数の和:3158

約数の個数: 48

約数和(自身を含む): 780591168

約数和(自身を除く): 436247428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 503, 1006, 2012, 2515, 2633, 5030, 5266, 6539, 10060, 10532, 13078, 13165, 26156, 26330, 32695, 34229, 52660, 65390, 68458, 130780, 136916, 171145, 342290, 684580, 1324399, 2648798, 5297596, 6621995, 13243990, 17217187, 26487980, 34434374, 68868748, 86085935, 172171870, 344343740]

約数ペア:

[(1, 344343740), (2, 172171870), (4, 86085935), (5, 68868748), (10, 34434374), (13, 26487980), (20, 17217187), (26, 13243990), (52, 6621995), (65, 5297596), (130, 2648798), (260, 1324399), (503, 684580), (1006, 342290), (2012, 171145), (2515, 136916), (2633, 130780), (5030, 68458), (5266, 65390), (6539, 52660), (10060, 34229), (10532, 32695), (13078, 26330), (13165, 26156)]