220155850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{12197}}^1$

素因数の和:12247

約数の個数: 36

約数和(自身を含む): 432211734

約数和(自身を除く): 212055884

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1805, 3610, 9025, 12197, 18050, 24394, 60985, 121970, 231743, 304925, 463486, 609850, 1158715, 2317430, 4403117, 5793575, 8806234, 11587150, 22015585, 44031170, 110077925, 220155850]

約数ペア:

[(1, 220155850), (2, 110077925), (5, 44031170), (10, 22015585), (19, 11587150), (25, 8806234), (38, 5793575), (50, 4403117), (95, 2317430), (190, 1158715), (361, 609850), (475, 463486), (722, 304925), (950, 231743), (1805, 121970), (3610, 60985), (9025, 24394), (12197, 18050)]