179909980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1499}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 401436000

約数和(自身を除く): 221526020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 353, 706, 1412, 1499, 1765, 2998, 3530, 5996, 6001, 7060, 7495, 12002, 14990, 24004, 25483, 29980, 30005, 50966, 60010, 101932, 120020, 127415, 254830, 509660, 529147, 1058294, 2116588, 2645735, 5291470, 8995499, 10582940, 17990998, 35981996, 44977495, 89954990, 179909980]

約数ペア:

[(1, 179909980), (2, 89954990), (4, 44977495), (5, 35981996), (10, 17990998), (17, 10582940), (20, 8995499), (34, 5291470), (68, 2645735), (85, 2116588), (170, 1058294), (340, 529147), (353, 509660), (706, 254830), (1412, 127415), (1499, 120020), (1765, 101932), (2998, 60010), (3530, 50966), (5996, 30005), (6001, 29980), (7060, 25483), (7495, 24004), (12002, 14990)]