133242920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 310139280

約数和(自身を除く): 176896360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 197, 296, 370, 394, 457, 740, 788, 914, 985, 1480, 1576, 1828, 1970, 2285, 3656, 3940, 4570, 7289, 7880, 9140, 14578, 16909, 18280, 29156, 33818, 36445, 58312, 67636, 72890, 84545, 90029, 135272, 145780, 169090, 180058, 291560, 338180, 360116, 450145, 676360, 720232, 900290, 1800580, 3331073, 3601160, 6662146, 13324292, 16655365, 26648584, 33310730, 66621460, 133242920]

約数ペア:

[(1, 133242920), (2, 66621460), (4, 33310730), (5, 26648584), (8, 16655365), (10, 13324292), (20, 6662146), (37, 3601160), (40, 3331073), (74, 1800580), (148, 900290), (185, 720232), (197, 676360), (296, 450145), (370, 360116), (394, 338180), (457, 291560), (740, 180058), (788, 169090), (914, 145780), (985, 135272), (1480, 90029), (1576, 84545), (1828, 72890), (1970, 67636), (2285, 58312), (3656, 36445), (3940, 33818), (4570, 29156), (7289, 18280), (7880, 16909), (9140, 14578)]