279817310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 546061824

約数和(自身を除く): 266244514

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 131, 185, 230, 251, 262, 370, 502, 655, 851, 1255, 1310, 1702, 2510, 3013, 4255, 4847, 5773, 6026, 8510, 9287, 9694, 11546, 15065, 18574, 24235, 28865, 30130, 32881, 46435, 48470, 57730, 65762, 92870, 111481, 164405, 213601, 222962, 328810, 427202, 557405, 756263, 1068005, 1114810, 1216597, 1512526, 2136010, 2433194, 3781315, 6082985, 7562630, 12165970, 27981731, 55963462, 139908655, 279817310]

約数ペア:

[(1, 279817310), (2, 139908655), (5, 55963462), (10, 27981731), (23, 12165970), (37, 7562630), (46, 6082985), (74, 3781315), (115, 2433194), (131, 2136010), (185, 1512526), (230, 1216597), (251, 1114810), (262, 1068005), (370, 756263), (502, 557405), (655, 427202), (851, 328810), (1255, 222962), (1310, 213601), (1702, 164405), (2510, 111481), (3013, 92870), (4255, 65762), (4847, 57730), (5773, 48470), (6026, 46435), (8510, 32881), (9287, 30130), (9694, 28865), (11546, 24235), (15065, 18574)]