858779140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{47657}}^1$

素因数の和:47736

約数の個数: 48

約数和(自身を含む): 1945590192

約数和(自身を除く): 1086811052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 18020, 47657, 95314, 190628, 238285, 476570, 810169, 953140, 1620338, 2525821, 3240676, 4050845, 5051642, 8101690, 10103284, 12629105, 16203380, 25258210, 42938957, 50516420, 85877914, 171755828, 214694785, 429389570, 858779140]

約数ペア:

[(1, 858779140), (2, 429389570), (4, 214694785), (5, 171755828), (10, 85877914), (17, 50516420), (20, 42938957), (34, 25258210), (53, 16203380), (68, 12629105), (85, 10103284), (106, 8101690), (170, 5051642), (212, 4050845), (265, 3240676), (340, 2525821), (530, 1620338), (901, 953140), (1060, 810169), (1802, 476570), (3604, 238285), (4505, 190628), (9010, 95314), (18020, 47657)]