23187380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 27615820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 251, 298, 310, 502, 596, 620, 745, 1004, 1255, 1490, 2510, 2980, 4619, 5020, 7781, 9238, 15562, 18476, 23095, 31124, 37399, 38905, 46190, 74798, 77810, 92380, 149596, 155620, 186995, 373990, 747980, 1159369, 2318738, 4637476, 5796845, 11593690, 23187380]

約数ペア:

[(1, 23187380), (2, 11593690), (4, 5796845), (5, 4637476), (10, 2318738), (20, 1159369), (31, 747980), (62, 373990), (124, 186995), (149, 155620), (155, 149596), (251, 92380), (298, 77810), (310, 74798), (502, 46190), (596, 38905), (620, 37399), (745, 31124), (1004, 23095), (1255, 18476), (1490, 15562), (2510, 9238), (2980, 7781), (4619, 5020)]