30657970180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{389357}}^1$

素因数の和:389524

約数の個数: 48

約数和(自身を含む): 66982035456

約数和(自身を除く): 36324065276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 3937, 7874, 15748, 19685, 39370, 78740, 389357, 778714, 1557428, 1946785, 3893570, 7787140, 12070067, 24140134, 48280268, 49448339, 60350335, 98896678, 120700670, 197793356, 241401340, 247241695, 494483390, 988966780, 1532898509, 3065797018, 6131594036, 7664492545, 15328985090, 30657970180]

約数ペア:

[(1, 30657970180), (2, 15328985090), (4, 7664492545), (5, 6131594036), (10, 3065797018), (20, 1532898509), (31, 988966780), (62, 494483390), (124, 247241695), (127, 241401340), (155, 197793356), (254, 120700670), (310, 98896678), (508, 60350335), (620, 49448339), (635, 48280268), (1270, 24140134), (2540, 12070067), (3937, 7787140), (7874, 3893570), (15748, 1946785), (19685, 1557428), (39370, 778714), (78740, 389357)]