187849340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1861}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 463593312

約数和(自身を除く): 275743972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 1861, 2060, 2884, 3605, 3722, 5047, 7210, 7444, 9305, 10094, 13027, 14420, 18610, 20188, 25235, 26054, 37220, 50470, 52108, 65135, 91189, 100940, 130270, 182378, 191683, 260540, 364756, 383366, 455945, 766732, 911890, 958415, 1341781, 1823780, 1916830, 2683562, 3833660, 5367124, 6708905, 9392467, 13417810, 18784934, 26835620, 37569868, 46962335, 93924670, 187849340]

約数ペア:

[(1, 187849340), (2, 93924670), (4, 46962335), (5, 37569868), (7, 26835620), (10, 18784934), (14, 13417810), (20, 9392467), (28, 6708905), (35, 5367124), (49, 3833660), (70, 2683562), (98, 1916830), (103, 1823780), (140, 1341781), (196, 958415), (206, 911890), (245, 766732), (412, 455945), (490, 383366), (515, 364756), (721, 260540), (980, 191683), (1030, 182378), (1442, 130270), (1861, 100940), (2060, 91189), (2884, 65135), (3605, 52108), (3722, 50470), (5047, 37220), (7210, 26054), (7444, 25235), (9305, 20188), (10094, 18610), (13027, 14420)]