9520778890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 20167056000

約数和(自身を除く): 10646277110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 199, 245, 251, 389, 398, 490, 502, 778, 995, 1255, 1393, 1757, 1945, 1990, 2510, 2723, 2786, 3514, 3890, 5446, 6965, 8785, 9751, 12299, 13615, 13930, 17570, 19061, 19502, 24598, 27230, 38122, 48755, 49949, 61495, 77411, 95305, 97510, 97639, 99898, 122990, 154822, 190610, 195278, 249745, 349643, 387055, 488195, 499490, 541877, 683473, 699286, 774110, 976390, 1083754, 1366946, 1748215, 2447501, 2709385, 3417365, 3496430, 3793139, 4784311, 4895002, 5418770, 6834730, 7586278, 9568622, 12237505, 18965695, 19430161, 23921555, 24475010, 37931390, 38860322, 47843110, 97150805, 136011127, 194301610, 272022254, 680055635, 952077889, 1360111270, 1904155778, 4760389445, 9520778890]

約数ペア:

[(1, 9520778890), (2, 4760389445), (5, 1904155778), (7, 1360111270), (10, 952077889), (14, 680055635), (35, 272022254), (49, 194301610), (70, 136011127), (98, 97150805), (199, 47843110), (245, 38860322), (251, 37931390), (389, 24475010), (398, 23921555), (490, 19430161), (502, 18965695), (778, 12237505), (995, 9568622), (1255, 7586278), (1393, 6834730), (1757, 5418770), (1945, 4895002), (1990, 4784311), (2510, 3793139), (2723, 3496430), (2786, 3417365), (3514, 2709385), (3890, 2447501), (5446, 1748215), (6965, 1366946), (8785, 1083754), (9751, 976390), (12299, 774110), (13615, 699286), (13930, 683473), (17570, 541877), (19061, 499490), (19502, 488195), (24598, 387055), (27230, 349643), (38122, 249745), (48755, 195278), (49949, 190610), (61495, 154822), (77411, 122990), (95305, 99898), (97510, 97639)]