399829030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 761669568

約数和(自身を除く): 361840538

約数列:

[1, 2, 5, 10, 37, 73, 74, 113, 131, 146, 185, 226, 262, 365, 370, 565, 655, 730, 1130, 1310, 2701, 4181, 4847, 5402, 8249, 8362, 9563, 9694, 13505, 14803, 16498, 19126, 20905, 24235, 27010, 29606, 41245, 41810, 47815, 48470, 74015, 82490, 95630, 148030, 305213, 353831, 547711, 610426, 707662, 1080619, 1095422, 1526065, 1769155, 2161238, 2738555, 3052130, 3538310, 5403095, 5477110, 10806190, 39982903, 79965806, 199914515, 399829030]

約数ペア:

[(1, 399829030), (2, 199914515), (5, 79965806), (10, 39982903), (37, 10806190), (73, 5477110), (74, 5403095), (113, 3538310), (131, 3052130), (146, 2738555), (185, 2161238), (226, 1769155), (262, 1526065), (365, 1095422), (370, 1080619), (565, 707662), (655, 610426), (730, 547711), (1130, 353831), (1310, 305213), (2701, 148030), (4181, 95630), (4847, 82490), (5402, 74015), (8249, 48470), (8362, 47815), (9563, 41810), (9694, 41245), (13505, 29606), (14803, 27010), (16498, 24235), (19126, 20905)]