140671460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{593}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 306860400

約数和(自身を除く): 166188940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 409, 580, 593, 818, 1186, 1636, 2045, 2372, 2965, 4090, 5930, 8180, 11860, 11861, 17197, 23722, 34394, 47444, 59305, 68788, 85985, 118610, 171970, 237220, 242537, 343940, 485074, 970148, 1212685, 2425370, 4850740, 7033573, 14067146, 28134292, 35167865, 70335730, 140671460]

約数ペア:

[(1, 140671460), (2, 70335730), (4, 35167865), (5, 28134292), (10, 14067146), (20, 7033573), (29, 4850740), (58, 2425370), (116, 1212685), (145, 970148), (290, 485074), (409, 343940), (580, 242537), (593, 237220), (818, 171970), (1186, 118610), (1636, 85985), (2045, 68788), (2372, 59305), (2965, 47444), (4090, 34394), (5930, 23722), (8180, 17197), (11860, 11861)]