4104950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 8370000

約数和(自身を除く): 4265050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 149, 190, 290, 298, 475, 551, 725, 745, 950, 1102, 1450, 1490, 2755, 2831, 3725, 4321, 5510, 5662, 7450, 8642, 13775, 14155, 21605, 27550, 28310, 43210, 70775, 82099, 108025, 141550, 164198, 216050, 410495, 820990, 2052475, 4104950]

約数ペア:

[(1, 4104950), (2, 2052475), (5, 820990), (10, 410495), (19, 216050), (25, 164198), (29, 141550), (38, 108025), (50, 82099), (58, 70775), (95, 43210), (145, 28310), (149, 27550), (190, 21605), (290, 14155), (298, 13775), (475, 8642), (551, 7450), (725, 5662), (745, 5510), (950, 4321), (1102, 3725), (1450, 2831), (1490, 2755)]