245398468

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 540546048

約数和(自身を除く): 295147580

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 49, 68, 94, 98, 119, 188, 196, 238, 329, 476, 658, 799, 833, 1316, 1567, 1598, 1666, 2303, 3134, 3196, 3332, 4606, 5593, 6268, 9212, 10969, 11186, 21938, 22372, 26639, 39151, 43876, 53278, 73649, 76783, 78302, 106556, 147298, 153566, 156604, 186473, 294596, 307132, 372946, 515543, 745892, 1031086, 1252033, 1305311, 2062172, 2504066, 2610622, 3608801, 5008132, 5221244, 7217602, 8764231, 14435204, 17528462, 35056924, 61349617, 122699234, 245398468]

約数ペア:

[(1, 245398468), (2, 122699234), (4, 61349617), (7, 35056924), (14, 17528462), (17, 14435204), (28, 8764231), (34, 7217602), (47, 5221244), (49, 5008132), (68, 3608801), (94, 2610622), (98, 2504066), (119, 2062172), (188, 1305311), (196, 1252033), (238, 1031086), (329, 745892), (476, 515543), (658, 372946), (799, 307132), (833, 294596), (1316, 186473), (1567, 156604), (1598, 153566), (1666, 147298), (2303, 106556), (3134, 78302), (3196, 76783), (3332, 73649), (4606, 53278), (5593, 43876), (6268, 39151), (9212, 26639), (10969, 22372), (11186, 21938)]