161740900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 363976704

約数和(自身を除く): 202235804

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 103, 164, 205, 206, 383, 410, 412, 515, 766, 820, 1025, 1030, 1532, 1915, 2050, 2060, 2575, 3830, 4100, 4223, 5150, 7660, 8446, 9575, 10300, 15703, 16892, 19150, 21115, 31406, 38300, 39449, 42230, 62812, 78515, 78898, 84460, 105575, 157030, 157796, 197245, 211150, 314060, 392575, 394490, 422300, 785150, 788980, 986225, 1570300, 1617409, 1972450, 3234818, 3944900, 6469636, 8087045, 16174090, 32348180, 40435225, 80870450, 161740900]

約数ペア:

[(1, 161740900), (2, 80870450), (4, 40435225), (5, 32348180), (10, 16174090), (20, 8087045), (25, 6469636), (41, 3944900), (50, 3234818), (82, 1972450), (100, 1617409), (103, 1570300), (164, 986225), (205, 788980), (206, 785150), (383, 422300), (410, 394490), (412, 392575), (515, 314060), (766, 211150), (820, 197245), (1025, 157796), (1030, 157030), (1532, 105575), (1915, 84460), (2050, 78898), (2060, 78515), (2575, 62812), (3830, 42230), (4100, 39449), (4223, 38300), (5150, 31406), (7660, 21115), (8446, 19150), (9575, 16892), (10300, 15703)]