216355510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 462827520

約数和(自身を除く): 246472010

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 179, 217, 310, 358, 434, 557, 895, 1085, 1114, 1253, 1790, 2170, 2506, 2785, 3899, 5549, 5570, 6265, 7798, 11098, 12530, 17267, 19495, 27745, 34534, 38843, 38990, 55490, 77686, 86335, 99703, 120869, 172670, 194215, 199406, 241738, 388430, 498515, 604345, 697921, 997030, 1208690, 1395842, 3090793, 3489605, 6181586, 6979210, 15453965, 21635551, 30907930, 43271102, 108177755, 216355510]

約数ペア:

[(1, 216355510), (2, 108177755), (5, 43271102), (7, 30907930), (10, 21635551), (14, 15453965), (31, 6979210), (35, 6181586), (62, 3489605), (70, 3090793), (155, 1395842), (179, 1208690), (217, 997030), (310, 697921), (358, 604345), (434, 498515), (557, 388430), (895, 241738), (1085, 199406), (1114, 194215), (1253, 172670), (1790, 120869), (2170, 99703), (2506, 86335), (2785, 77686), (3899, 55490), (5549, 38990), (5570, 38843), (6265, 34534), (7798, 27745), (11098, 19495), (12530, 17267)]