8917090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 11404190

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 239, 287, 410, 455, 478, 533, 574, 910, 1066, 1195, 1435, 1673, 2390, 2665, 2870, 3107, 3346, 3731, 5330, 6214, 7462, 8365, 9799, 15535, 16730, 18655, 19598, 21749, 31070, 37310, 43498, 48995, 68593, 97990, 108745, 127387, 137186, 217490, 254774, 342965, 636935, 685930, 891709, 1273870, 1783418, 4458545, 8917090]

約数ペア:

[(1, 8917090), (2, 4458545), (5, 1783418), (7, 1273870), (10, 891709), (13, 685930), (14, 636935), (26, 342965), (35, 254774), (41, 217490), (65, 137186), (70, 127387), (82, 108745), (91, 97990), (130, 68593), (182, 48995), (205, 43498), (239, 37310), (287, 31070), (410, 21749), (455, 19598), (478, 18655), (533, 16730), (574, 15535), (910, 9799), (1066, 8365), (1195, 7462), (1435, 6214), (1673, 5330), (2390, 3731), (2665, 3346), (2870, 3107)]