247764580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{6833}}^1$

素因数の和:6893

約数の個数: 72

約数和(自身を含む): 621702648

約数和(自身を除く): 373938068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2590, 3626, 5180, 6833, 7252, 9065, 13666, 18130, 27332, 34165, 36260, 47831, 68330, 95662, 136660, 191324, 239155, 252821, 334817, 478310, 505642, 669634, 956620, 1011284, 1264105, 1339268, 1674085, 1769747, 2528210, 3348170, 3539494, 5056420, 6696340, 7078988, 8848735, 12388229, 17697470, 24776458, 35394940, 49552916, 61941145, 123882290, 247764580]

約数ペア:

[(1, 247764580), (2, 123882290), (4, 61941145), (5, 49552916), (7, 35394940), (10, 24776458), (14, 17697470), (20, 12388229), (28, 8848735), (35, 7078988), (37, 6696340), (49, 5056420), (70, 3539494), (74, 3348170), (98, 2528210), (140, 1769747), (148, 1674085), (185, 1339268), (196, 1264105), (245, 1011284), (259, 956620), (370, 669634), (490, 505642), (518, 478310), (740, 334817), (980, 252821), (1036, 239155), (1295, 191324), (1813, 136660), (2590, 95662), (3626, 68330), (5180, 47831), (6833, 36260), (7252, 34165), (9065, 27332), (13666, 18130)]