221517820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{6089}}^1$

素因数の和:6222

約数の個数: 48

約数和(自身を含む): 497236320

約数和(自身を除く): 275718500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2140, 3638, 6089, 7276, 9095, 12178, 18190, 24356, 30445, 36380, 60890, 103513, 121780, 207026, 414052, 517565, 651523, 1035130, 1303046, 2070260, 2606092, 3257615, 6515230, 11075891, 13030460, 22151782, 44303564, 55379455, 110758910, 221517820]

約数ペア:

[(1, 221517820), (2, 110758910), (4, 55379455), (5, 44303564), (10, 22151782), (17, 13030460), (20, 11075891), (34, 6515230), (68, 3257615), (85, 2606092), (107, 2070260), (170, 1303046), (214, 1035130), (340, 651523), (428, 517565), (535, 414052), (1070, 207026), (1819, 121780), (2140, 103513), (3638, 60890), (6089, 36380), (7276, 30445), (9095, 24356), (12178, 18190)]