179551340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3581}}^1$

素因数の和:3722

約数の個数: 48

約数和(自身を含む): 397172160

約数和(自身を除く): 217620820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 2180, 2507, 3581, 5014, 7162, 10028, 12535, 14324, 17905, 25070, 35810, 50140, 71620, 82363, 164726, 329452, 390329, 411815, 780658, 823630, 1561316, 1647260, 1951645, 3903290, 7806580, 8977567, 17955134, 35910268, 44887835, 89775670, 179551340]

約数ペア:

[(1, 179551340), (2, 89775670), (4, 44887835), (5, 35910268), (10, 17955134), (20, 8977567), (23, 7806580), (46, 3903290), (92, 1951645), (109, 1647260), (115, 1561316), (218, 823630), (230, 780658), (436, 411815), (460, 390329), (545, 329452), (1090, 164726), (2180, 82363), (2507, 71620), (3581, 50140), (5014, 35810), (7162, 25070), (10028, 17905), (12535, 14324)]