28190680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 77770800

約数和(自身を除く): 49580120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 757, 760, 931, 980, 1064, 1330, 1514, 1862, 1960, 2660, 3028, 3724, 3785, 4655, 5299, 5320, 6056, 7448, 7570, 9310, 10598, 14383, 15140, 18620, 21196, 26495, 28766, 30280, 37093, 37240, 42392, 52990, 57532, 71915, 74186, 100681, 105980, 115064, 143830, 148372, 185465, 201362, 211960, 287660, 296744, 370930, 402724, 503405, 575320, 704767, 741860, 805448, 1006810, 1409534, 1483720, 2013620, 2819068, 3523835, 4027240, 5638136, 7047670, 14095340, 28190680]

約数ペア:

[(1, 28190680), (2, 14095340), (4, 7047670), (5, 5638136), (7, 4027240), (8, 3523835), (10, 2819068), (14, 2013620), (19, 1483720), (20, 1409534), (28, 1006810), (35, 805448), (38, 741860), (40, 704767), (49, 575320), (56, 503405), (70, 402724), (76, 370930), (95, 296744), (98, 287660), (133, 211960), (140, 201362), (152, 185465), (190, 148372), (196, 143830), (245, 115064), (266, 105980), (280, 100681), (380, 74186), (392, 71915), (490, 57532), (532, 52990), (665, 42392), (757, 37240), (760, 37093), (931, 30280), (980, 28766), (1064, 26495), (1330, 21196), (1514, 18620), (1862, 15140), (1960, 14383), (2660, 10598), (3028, 9310), (3724, 7570), (3785, 7448), (4655, 6056), (5299, 5320)]