426531760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{280613}}^1$

素因数の和:280645

約数の個数: 40

約数和(自身を含む): 1043884080

約数和(自身を除く): 617352320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 280613, 561226, 1122452, 1403065, 2244904, 2806130, 4489808, 5331647, 5612260, 10663294, 11224520, 21326588, 22449040, 26658235, 42653176, 53316470, 85306352, 106632940, 213265880, 426531760]

約数ペア:

[(1, 426531760), (2, 213265880), (4, 106632940), (5, 85306352), (8, 53316470), (10, 42653176), (16, 26658235), (19, 22449040), (20, 21326588), (38, 11224520), (40, 10663294), (76, 5612260), (80, 5331647), (95, 4489808), (152, 2806130), (190, 2244904), (304, 1403065), (380, 1122452), (760, 561226), (1520, 280613)]