201757720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2956

約数の個数: 64

約数和(自身を含む): 476007840

約数和(自身を除く): 274250120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 2861, 3526, 5722, 7052, 8815, 11444, 14104, 14305, 17630, 22888, 28610, 35260, 57220, 70520, 114440, 117301, 123023, 234602, 246046, 469204, 492092, 586505, 615115, 938408, 984184, 1173010, 1230230, 2346020, 2460460, 4692040, 4920920, 5043943, 10087886, 20175772, 25219715, 40351544, 50439430, 100878860, 201757720]

約数ペア:

[(1, 201757720), (2, 100878860), (4, 50439430), (5, 40351544), (8, 25219715), (10, 20175772), (20, 10087886), (40, 5043943), (41, 4920920), (43, 4692040), (82, 2460460), (86, 2346020), (164, 1230230), (172, 1173010), (205, 984184), (215, 938408), (328, 615115), (344, 586505), (410, 492092), (430, 469204), (820, 246046), (860, 234602), (1640, 123023), (1720, 117301), (1763, 114440), (2861, 70520), (3526, 57220), (5722, 35260), (7052, 28610), (8815, 22888), (11444, 17630), (14104, 14305)]