28250900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 65245824

約数和(自身を除く): 36994924

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 92, 100, 115, 142, 173, 230, 284, 346, 355, 460, 575, 692, 710, 865, 1150, 1420, 1633, 1730, 1775, 2300, 3266, 3460, 3550, 3979, 4325, 6532, 7100, 7958, 8165, 8650, 12283, 15916, 16330, 17300, 19895, 24566, 32660, 39790, 40825, 49132, 61415, 79580, 81650, 99475, 122830, 163300, 198950, 245660, 282509, 307075, 397900, 565018, 614150, 1130036, 1228300, 1412545, 2825090, 5650180, 7062725, 14125450, 28250900]

約数ペア:

[(1, 28250900), (2, 14125450), (4, 7062725), (5, 5650180), (10, 2825090), (20, 1412545), (23, 1228300), (25, 1130036), (46, 614150), (50, 565018), (71, 397900), (92, 307075), (100, 282509), (115, 245660), (142, 198950), (173, 163300), (230, 122830), (284, 99475), (346, 81650), (355, 79580), (460, 61415), (575, 49132), (692, 40825), (710, 39790), (865, 32660), (1150, 24566), (1420, 19895), (1633, 17300), (1730, 16330), (1775, 15916), (2300, 12283), (3266, 8650), (3460, 8165), (3550, 7958), (3979, 7100), (4325, 6532)]