87483860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 191116800

約数和(自身を除く): 103632940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 947, 1490, 1894, 2980, 3788, 4619, 4735, 9238, 9470, 18476, 18940, 23095, 29357, 46190, 58714, 92380, 117428, 141103, 146785, 282206, 293570, 564412, 587140, 705515, 1411030, 2822060, 4374193, 8748386, 17496772, 21870965, 43741930, 87483860]

約数ペア:

[(1, 87483860), (2, 43741930), (4, 21870965), (5, 17496772), (10, 8748386), (20, 4374193), (31, 2822060), (62, 1411030), (124, 705515), (149, 587140), (155, 564412), (298, 293570), (310, 282206), (596, 146785), (620, 141103), (745, 117428), (947, 92380), (1490, 58714), (1894, 46190), (2980, 29357), (3788, 23095), (4619, 18940), (4735, 18476), (9238, 9470)]