1240240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 2968560

約数和(自身を除く): 1728320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 419, 592, 740, 838, 1480, 1676, 2095, 2960, 3352, 4190, 6704, 8380, 15503, 16760, 31006, 33520, 62012, 77515, 124024, 155030, 248048, 310060, 620120, 1240240]

約数ペア:

[(1, 1240240), (2, 620120), (4, 310060), (5, 248048), (8, 155030), (10, 124024), (16, 77515), (20, 62012), (37, 33520), (40, 31006), (74, 16760), (80, 15503), (148, 8380), (185, 6704), (296, 4190), (370, 3352), (419, 2960), (592, 2095), (740, 1676), (838, 1480)]