208780470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10891}}^1$

素因数の和:10978

約数の個数: 64

約数和(自身を含む): 564641280

約数和(自身を除く): 355860810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 3195, 3834, 6390, 9585, 10891, 19170, 21782, 32673, 54455, 65346, 98019, 108910, 163365, 196038, 294057, 326730, 490095, 588114, 773261, 980190, 1470285, 1546522, 2319783, 2940570, 3866305, 4639566, 6959349, 7732610, 11598915, 13918698, 20878047, 23197830, 34796745, 41756094, 69593490, 104390235, 208780470]

約数ペア:

[(1, 208780470), (2, 104390235), (3, 69593490), (5, 41756094), (6, 34796745), (9, 23197830), (10, 20878047), (15, 13918698), (18, 11598915), (27, 7732610), (30, 6959349), (45, 4639566), (54, 3866305), (71, 2940570), (90, 2319783), (135, 1546522), (142, 1470285), (213, 980190), (270, 773261), (355, 588114), (426, 490095), (639, 326730), (710, 294057), (1065, 196038), (1278, 163365), (1917, 108910), (2130, 98019), (3195, 65346), (3834, 54455), (6390, 32673), (9585, 21782), (10891, 19170)]