638970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 1645920

約数和(自身を除く): 1006950

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 59, 95, 114, 118, 177, 190, 285, 295, 354, 361, 570, 590, 722, 885, 1083, 1121, 1770, 1805, 2166, 2242, 3363, 3610, 5415, 5605, 6726, 10830, 11210, 16815, 21299, 33630, 42598, 63897, 106495, 127794, 212990, 319485, 638970]

約数ペア:

[(1, 638970), (2, 319485), (3, 212990), (5, 127794), (6, 106495), (10, 63897), (15, 42598), (19, 33630), (30, 21299), (38, 16815), (57, 11210), (59, 10830), (95, 6726), (114, 5605), (118, 5415), (177, 3610), (190, 3363), (285, 2242), (295, 2166), (354, 1805), (361, 1770), (570, 1121), (590, 1083), (722, 885)]