72421940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 159522048

約数和(自身を除く): 87100108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 313, 460, 503, 626, 1006, 1252, 1565, 2012, 2515, 3130, 5030, 6260, 7199, 10060, 11569, 14398, 23138, 28796, 35995, 46276, 57845, 71990, 115690, 143980, 157439, 231380, 314878, 629756, 787195, 1574390, 3148780, 3621097, 7242194, 14484388, 18105485, 36210970, 72421940]

約数ペア:

[(1, 72421940), (2, 36210970), (4, 18105485), (5, 14484388), (10, 7242194), (20, 3621097), (23, 3148780), (46, 1574390), (92, 787195), (115, 629756), (230, 314878), (313, 231380), (460, 157439), (503, 143980), (626, 115690), (1006, 71990), (1252, 57845), (1565, 46276), (2012, 35995), (2515, 28796), (3130, 23138), (5030, 14398), (6260, 11569), (7199, 10060)]