28536100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 68120640

約数和(自身を除く): 39584540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 653, 874, 950, 1150, 1306, 1748, 1900, 2185, 2300, 2612, 3265, 4370, 6530, 8740, 10925, 12407, 13060, 15019, 16325, 21850, 24814, 30038, 32650, 43700, 49628, 60076, 62035, 65300, 75095, 124070, 150190, 248140, 285361, 300380, 310175, 375475, 570722, 620350, 750950, 1141444, 1240700, 1426805, 1501900, 2853610, 5707220, 7134025, 14268050, 28536100]

約数ペア:

[(1, 28536100), (2, 14268050), (4, 7134025), (5, 5707220), (10, 2853610), (19, 1501900), (20, 1426805), (23, 1240700), (25, 1141444), (38, 750950), (46, 620350), (50, 570722), (76, 375475), (92, 310175), (95, 300380), (100, 285361), (115, 248140), (190, 150190), (230, 124070), (380, 75095), (437, 65300), (460, 62035), (475, 60076), (575, 49628), (653, 43700), (874, 32650), (950, 30038), (1150, 24814), (1306, 21850), (1748, 16325), (1900, 15019), (2185, 13060), (2300, 12407), (2612, 10925), (3265, 8740), (4370, 6530)]