28406280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{4831}}^1$

素因数の和:4859

約数の個数: 96

約数和(自身を含む): 99152640

約数和(自身を除く): 70746360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 4831, 5880, 9662, 14493, 19324, 24155, 28986, 33817, 38648, 48310, 57972, 67634, 72465, 96620, 101451, 115944, 135268, 144930, 169085, 193240, 202902, 236719, 270536, 289860, 338170, 405804, 473438, 507255, 579720, 676340, 710157, 811608, 946876, 1014510, 1183595, 1352680, 1420314, 1893752, 2029020, 2367190, 2840628, 3550785, 4058040, 4734380, 5681256, 7101570, 9468760, 14203140, 28406280]

約数ペア:

[(1, 28406280), (2, 14203140), (3, 9468760), (4, 7101570), (5, 5681256), (6, 4734380), (7, 4058040), (8, 3550785), (10, 2840628), (12, 2367190), (14, 2029020), (15, 1893752), (20, 1420314), (21, 1352680), (24, 1183595), (28, 1014510), (30, 946876), (35, 811608), (40, 710157), (42, 676340), (49, 579720), (56, 507255), (60, 473438), (70, 405804), (84, 338170), (98, 289860), (105, 270536), (120, 236719), (140, 202902), (147, 193240), (168, 169085), (196, 144930), (210, 135268), (245, 115944), (280, 101451), (294, 96620), (392, 72465), (420, 67634), (490, 57972), (588, 48310), (735, 38648), (840, 33817), (980, 28986), (1176, 24155), (1470, 19324), (1960, 14493), (2940, 9662), (4831, 5880)]