128925350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1$

素因数の和:1685

約数の個数: 48

約数和(自身を含む): 253912320

約数和(自身を除く): 124986970

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 355, 575, 710, 1150, 1579, 1633, 1775, 3158, 3266, 3550, 7895, 8165, 15790, 16330, 36317, 39475, 40825, 72634, 78950, 81650, 112109, 181585, 224218, 363170, 560545, 907925, 1121090, 1815850, 2578507, 2802725, 5157014, 5605450, 12892535, 25785070, 64462675, 128925350]

約数ペア:

[(1, 128925350), (2, 64462675), (5, 25785070), (10, 12892535), (23, 5605450), (25, 5157014), (46, 2802725), (50, 2578507), (71, 1815850), (115, 1121090), (142, 907925), (230, 560545), (355, 363170), (575, 224218), (710, 181585), (1150, 112109), (1579, 81650), (1633, 78950), (1775, 72634), (3158, 40825), (3266, 39475), (3550, 36317), (7895, 16330), (8165, 15790)]