138984580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3833}}^1$

素因数の和:3893

約数の個数: 72

約数和(自身を含む): 348786648

約数和(自身を除く): 209802068

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, 3833, 5180, 7252, 7666, 9065, 15332, 18130, 19165, 26831, 36260, 38330, 53662, 76660, 107324, 134155, 141821, 187817, 268310, 283642, 375634, 536620, 567284, 709105, 751268, 939085, 992747, 1418210, 1878170, 1985494, 2836420, 3756340, 3970988, 4963735, 6949229, 9927470, 13898458, 19854940, 27796916, 34746145, 69492290, 138984580]

約数ペア:

[(1, 138984580), (2, 69492290), (4, 34746145), (5, 27796916), (7, 19854940), (10, 13898458), (14, 9927470), (20, 6949229), (28, 4963735), (35, 3970988), (37, 3756340), (49, 2836420), (70, 1985494), (74, 1878170), (98, 1418210), (140, 992747), (148, 939085), (185, 751268), (196, 709105), (245, 567284), (259, 536620), (370, 375634), (490, 283642), (518, 268310), (740, 187817), (980, 141821), (1036, 134155), (1295, 107324), (1813, 76660), (2590, 53662), (3626, 38330), (3833, 36260), (5180, 26831), (7252, 19165), (7666, 18130), (9065, 15332)]