915829780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 2097156096

約数和(自身を除く): 1181326316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 223, 235, 257, 340, 446, 470, 514, 799, 892, 940, 1028, 1115, 1285, 1598, 2230, 2570, 3196, 3791, 3995, 4369, 4460, 5140, 7582, 7990, 8738, 10481, 12079, 15164, 15980, 17476, 18955, 20962, 21845, 24158, 37910, 41924, 43690, 48316, 52405, 57311, 60395, 75820, 87380, 104810, 114622, 120790, 178177, 205343, 209620, 229244, 241580, 286555, 356354, 410686, 573110, 712708, 821372, 890885, 974287, 1026715, 1146220, 1781770, 1948574, 2053430, 2693617, 3563540, 3897148, 4106860, 4871435, 5387234, 9742870, 10774468, 13468085, 19485740, 26936170, 45791489, 53872340, 91582978, 183165956, 228957445, 457914890, 915829780]

約数ペア:

[(1, 915829780), (2, 457914890), (4, 228957445), (5, 183165956), (10, 91582978), (17, 53872340), (20, 45791489), (34, 26936170), (47, 19485740), (68, 13468085), (85, 10774468), (94, 9742870), (170, 5387234), (188, 4871435), (223, 4106860), (235, 3897148), (257, 3563540), (340, 2693617), (446, 2053430), (470, 1948574), (514, 1781770), (799, 1146220), (892, 1026715), (940, 974287), (1028, 890885), (1115, 821372), (1285, 712708), (1598, 573110), (2230, 410686), (2570, 356354), (3196, 286555), (3791, 241580), (3995, 229244), (4369, 209620), (4460, 205343), (5140, 178177), (7582, 120790), (7990, 114622), (8738, 104810), (10481, 87380), (12079, 75820), (15164, 60395), (15980, 57311), (17476, 52405), (18955, 48316), (20962, 43690), (21845, 41924), (24158, 37910)]