28255850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:652

約数の個数: 72

約数和(自身を含む): 64460160

約数和(自身を除く): 36204310

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 245, 266, 350, 475, 490, 607, 665, 931, 950, 1214, 1225, 1330, 1862, 2450, 3035, 3325, 4249, 4655, 6070, 6650, 8498, 9310, 11533, 15175, 21245, 23066, 23275, 29743, 30350, 42490, 46550, 57665, 59486, 80731, 106225, 115330, 148715, 161462, 212450, 288325, 297430, 403655, 565117, 576650, 743575, 807310, 1130234, 1487150, 2018275, 2825585, 4036550, 5651170, 14127925, 28255850]

約数ペア:

[(1, 28255850), (2, 14127925), (5, 5651170), (7, 4036550), (10, 2825585), (14, 2018275), (19, 1487150), (25, 1130234), (35, 807310), (38, 743575), (49, 576650), (50, 565117), (70, 403655), (95, 297430), (98, 288325), (133, 212450), (175, 161462), (190, 148715), (245, 115330), (266, 106225), (350, 80731), (475, 59486), (490, 57665), (607, 46550), (665, 42490), (931, 30350), (950, 29743), (1214, 23275), (1225, 23066), (1330, 21245), (1862, 15175), (2450, 11533), (3035, 9310), (3325, 8498), (4249, 6650), (4655, 6070)]