490274785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4259}}^1$

素因数の和:4318

約数の個数: 64

約数和(自身を含む): 824463360

約数和(自身を除く): 334188575

約数列:

[1, 5, 7, 11, 13, 23, 35, 55, 65, 77, 91, 115, 143, 161, 253, 299, 385, 455, 715, 805, 1001, 1265, 1495, 1771, 2093, 3289, 4259, 5005, 8855, 10465, 16445, 21295, 23023, 29813, 46849, 55367, 97957, 115115, 149065, 234245, 276835, 327943, 387569, 489785, 609037, 685699, 1077527, 1273441, 1639715, 1937845, 3045185, 3428495, 4263259, 5387635, 6367205, 7542689, 8914087, 14007851, 21316295, 37713445, 44570435, 70039255, 98054957, 490274785]

約数ペア:

[(1, 490274785), (5, 98054957), (7, 70039255), (11, 44570435), (13, 37713445), (23, 21316295), (35, 14007851), (55, 8914087), (65, 7542689), (77, 6367205), (91, 5387635), (115, 4263259), (143, 3428495), (161, 3045185), (253, 1937845), (299, 1639715), (385, 1273441), (455, 1077527), (715, 685699), (805, 609037), (1001, 489785), (1265, 387569), (1495, 327943), (1771, 276835), (2093, 234245), (3289, 149065), (4259, 115115), (5005, 97957), (8855, 55367), (10465, 46849), (16445, 29813), (21295, 23023)]