251140890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8363}}^1$

素因数の和:8404

約数の個数: 128

約数和(自身を含む): 809367552

約数和(自身を除く): 558226662

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 715, 770, 858, 910, 1001, 1155, 1365, 1430, 2002, 2145, 2310, 2730, 3003, 4290, 5005, 6006, 8363, 10010, 15015, 16726, 25089, 30030, 41815, 50178, 58541, 83630, 91993, 108719, 117082, 125445, 175623, 183986, 217438, 250890, 275979, 292705, 326157, 351246, 459965, 543595, 551958, 585410, 643951, 652314, 761033, 878115, 919930, 1087190, 1195909, 1287902, 1379895, 1522066, 1630785, 1756230, 1931853, 2283099, 2391818, 2759790, 3219755, 3261570, 3587727, 3805165, 3863706, 4566198, 5979545, 6439510, 7175454, 7610330, 8371363, 9659265, 11415495, 11959090, 16742726, 17938635, 19318530, 22830990, 25114089, 35877270, 41856815, 50228178, 83713630, 125570445, 251140890]

約数ペア:

[(1, 251140890), (2, 125570445), (3, 83713630), (5, 50228178), (6, 41856815), (7, 35877270), (10, 25114089), (11, 22830990), (13, 19318530), (14, 17938635), (15, 16742726), (21, 11959090), (22, 11415495), (26, 9659265), (30, 8371363), (33, 7610330), (35, 7175454), (39, 6439510), (42, 5979545), (55, 4566198), (65, 3863706), (66, 3805165), (70, 3587727), (77, 3261570), (78, 3219755), (91, 2759790), (105, 2391818), (110, 2283099), (130, 1931853), (143, 1756230), (154, 1630785), (165, 1522066), (182, 1379895), (195, 1287902), (210, 1195909), (231, 1087190), (273, 919930), (286, 878115), (330, 761033), (385, 652314), (390, 643951), (429, 585410), (455, 551958), (462, 543595), (546, 459965), (715, 351246), (770, 326157), (858, 292705), (910, 275979), (1001, 250890), (1155, 217438), (1365, 183986), (1430, 175623), (2002, 125445), (2145, 117082), (2310, 108719), (2730, 91993), (3003, 83630), (4290, 58541), (5005, 50178), (6006, 41815), (8363, 30030), (10010, 25089), (15015, 16726)]