390859490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{659}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 830649600

約数和(自身を除く): 439790110

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 229, 259, 370, 458, 518, 659, 1145, 1295, 1318, 1603, 2290, 2590, 3206, 3295, 4613, 6590, 8015, 8473, 9226, 16030, 16946, 23065, 24383, 42365, 46130, 48766, 59311, 84730, 118622, 121915, 150911, 170681, 243830, 296555, 301822, 341362, 593110, 754555, 853405, 1056377, 1509110, 1706810, 2112754, 5281885, 5583707, 10563770, 11167414, 27918535, 39085949, 55837070, 78171898, 195429745, 390859490]

約数ペア:

[(1, 390859490), (2, 195429745), (5, 78171898), (7, 55837070), (10, 39085949), (14, 27918535), (35, 11167414), (37, 10563770), (70, 5583707), (74, 5281885), (185, 2112754), (229, 1706810), (259, 1509110), (370, 1056377), (458, 853405), (518, 754555), (659, 593110), (1145, 341362), (1295, 301822), (1318, 296555), (1603, 243830), (2290, 170681), (2590, 150911), (3206, 121915), (3295, 118622), (4613, 84730), (6590, 59311), (8015, 48766), (8473, 46130), (9226, 42365), (16030, 24383), (16946, 23065)]