616725460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{4831}}^1$

素因数の和:5344

約数の個数: 48

約数和(自身を含む): 1397878272

約数和(自身を除く): 781152812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 982, 1964, 2455, 4831, 4910, 6383, 9662, 9820, 12766, 19324, 24155, 25532, 31915, 48310, 62803, 63830, 96620, 125606, 127660, 251212, 314015, 628030, 1256060, 2372021, 4744042, 9488084, 11860105, 23720210, 30836273, 47440420, 61672546, 123345092, 154181365, 308362730, 616725460]

約数ペア:

[(1, 616725460), (2, 308362730), (4, 154181365), (5, 123345092), (10, 61672546), (13, 47440420), (20, 30836273), (26, 23720210), (52, 11860105), (65, 9488084), (130, 4744042), (260, 2372021), (491, 1256060), (982, 628030), (1964, 314015), (2455, 251212), (4831, 127660), (4910, 125606), (6383, 96620), (9662, 63830), (9820, 62803), (12766, 48310), (19324, 31915), (24155, 25532)]