8781289090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{571}}^1$

素因数の和:1008

約数の個数: 128

約数和(自身を含む): 19715604480

約数和(自身を除く): 10934315390

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 373, 434, 571, 589, 665, 746, 1085, 1142, 1178, 1330, 1865, 2170, 2611, 2855, 2945, 3730, 3997, 4123, 5222, 5710, 5890, 7087, 7994, 8246, 10849, 11563, 13055, 14174, 17701, 19985, 20615, 21698, 23126, 26110, 35402, 35435, 39970, 41230, 49609, 54245, 57815, 70870, 75943, 80941, 88505, 99218, 108490, 115630, 123907, 151886, 161882, 177010, 212983, 219697, 247814, 248045, 336319, 379715, 404705, 425966, 439394, 496090, 619535, 672638, 759430, 809410, 1064915, 1098485, 1239070, 1490881, 1537879, 1681595, 2129830, 2196970, 2354233, 2981762, 3075758, 3363190, 4046677, 4708466, 6602473, 7454405, 7689395, 8093354, 11771165, 13204946, 14908810, 15378790, 20233385, 23542330, 28326739, 33012365, 40466770, 46217311, 56653478, 66024730, 92434622, 125446987, 141633695, 231086555, 250893974, 283267390, 462173110, 627234935, 878128909, 1254469870, 1756257818, 4390644545, 8781289090]

約数ペア:

[(1, 8781289090), (2, 4390644545), (5, 1756257818), (7, 1254469870), (10, 878128909), (14, 627234935), (19, 462173110), (31, 283267390), (35, 250893974), (38, 231086555), (62, 141633695), (70, 125446987), (95, 92434622), (133, 66024730), (155, 56653478), (190, 46217311), (217, 40466770), (266, 33012365), (310, 28326739), (373, 23542330), (434, 20233385), (571, 15378790), (589, 14908810), (665, 13204946), (746, 11771165), (1085, 8093354), (1142, 7689395), (1178, 7454405), (1330, 6602473), (1865, 4708466), (2170, 4046677), (2611, 3363190), (2855, 3075758), (2945, 2981762), (3730, 2354233), (3997, 2196970), (4123, 2129830), (5222, 1681595), (5710, 1537879), (5890, 1490881), (7087, 1239070), (7994, 1098485), (8246, 1064915), (10849, 809410), (11563, 759430), (13055, 672638), (14174, 619535), (17701, 496090), (19985, 439394), (20615, 425966), (21698, 404705), (23126, 379715), (26110, 336319), (35402, 248045), (35435, 247814), (39970, 219697), (41230, 212983), (49609, 177010), (54245, 161882), (57815, 151886), (70870, 123907), (75943, 115630), (80941, 108490), (88505, 99218)]