31596940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 69854400

約数和(自身を除く): 38257460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 460, 461, 596, 745, 922, 1490, 1844, 2305, 2980, 3427, 4610, 6854, 9220, 10603, 13708, 17135, 21206, 34270, 42412, 53015, 68540, 68689, 106030, 137378, 212060, 274756, 343445, 686890, 1373780, 1579847, 3159694, 6319388, 7899235, 15798470, 31596940]

約数ペア:

[(1, 31596940), (2, 15798470), (4, 7899235), (5, 6319388), (10, 3159694), (20, 1579847), (23, 1373780), (46, 686890), (92, 343445), (115, 274756), (149, 212060), (230, 137378), (298, 106030), (460, 68689), (461, 68540), (596, 53015), (745, 42412), (922, 34270), (1490, 21206), (1844, 17135), (2305, 13708), (2980, 10603), (3427, 9220), (4610, 6854)]