74064920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 182358000

約数和(自身を除く): 108293080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 149, 170, 172, 215, 289, 298, 340, 344, 430, 578, 596, 680, 731, 745, 860, 1156, 1192, 1445, 1462, 1490, 1720, 2312, 2533, 2890, 2924, 2980, 3655, 5066, 5780, 5848, 5960, 6407, 7310, 10132, 11560, 12427, 12665, 12814, 14620, 20264, 24854, 25330, 25628, 29240, 32035, 43061, 49708, 50660, 51256, 62135, 64070, 86122, 99416, 101320, 108919, 124270, 128140, 172244, 215305, 217838, 248540, 256280, 344488, 430610, 435676, 497080, 544595, 861220, 871352, 1089190, 1722440, 1851623, 2178380, 3703246, 4356760, 7406492, 9258115, 14812984, 18516230, 37032460, 74064920]

約数ペア:

[(1, 74064920), (2, 37032460), (4, 18516230), (5, 14812984), (8, 9258115), (10, 7406492), (17, 4356760), (20, 3703246), (34, 2178380), (40, 1851623), (43, 1722440), (68, 1089190), (85, 871352), (86, 861220), (136, 544595), (149, 497080), (170, 435676), (172, 430610), (215, 344488), (289, 256280), (298, 248540), (340, 217838), (344, 215305), (430, 172244), (578, 128140), (596, 124270), (680, 108919), (731, 101320), (745, 99416), (860, 86122), (1156, 64070), (1192, 62135), (1445, 51256), (1462, 50660), (1490, 49708), (1720, 43061), (2312, 32035), (2533, 29240), (2890, 25628), (2924, 25330), (2980, 24854), (3655, 20264), (5066, 14620), (5780, 12814), (5848, 12665), (5960, 12427), (6407, 11560), (7310, 10132)]