194679920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3329}}^1$

素因数の和:3402

約数の個数: 80

約数和(自身を含む): 490548960

約数和(自身を除く): 295869040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1720, 2924, 3329, 3440, 3655, 5848, 6658, 7310, 11696, 13316, 14620, 16645, 26632, 29240, 33290, 53264, 56593, 58480, 66580, 113186, 133160, 143147, 226372, 266320, 282965, 286294, 452744, 565930, 572588, 715735, 905488, 1131860, 1145176, 1431470, 2263720, 2290352, 2433499, 2862940, 4527440, 4866998, 5725880, 9733996, 11451760, 12167495, 19467992, 24334990, 38935984, 48669980, 97339960, 194679920]

約数ペア:

[(1, 194679920), (2, 97339960), (4, 48669980), (5, 38935984), (8, 24334990), (10, 19467992), (16, 12167495), (17, 11451760), (20, 9733996), (34, 5725880), (40, 4866998), (43, 4527440), (68, 2862940), (80, 2433499), (85, 2290352), (86, 2263720), (136, 1431470), (170, 1145176), (172, 1131860), (215, 905488), (272, 715735), (340, 572588), (344, 565930), (430, 452744), (680, 286294), (688, 282965), (731, 266320), (860, 226372), (1360, 143147), (1462, 133160), (1720, 113186), (2924, 66580), (3329, 58480), (3440, 56593), (3655, 53264), (5848, 33290), (6658, 29240), (7310, 26632), (11696, 16645), (13316, 14620)]