28200370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 31104590

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 103, 110, 131, 190, 206, 209, 262, 418, 515, 655, 1030, 1045, 1133, 1310, 1441, 1957, 2090, 2266, 2489, 2882, 3914, 4978, 5665, 7205, 9785, 11330, 12445, 13493, 14410, 19570, 21527, 24890, 26986, 27379, 43054, 54758, 67465, 107635, 134930, 136895, 148423, 215270, 256367, 273790, 296846, 512734, 742115, 1281835, 1484230, 2563670, 2820037, 5640074, 14100185, 28200370]

約数ペア:

[(1, 28200370), (2, 14100185), (5, 5640074), (10, 2820037), (11, 2563670), (19, 1484230), (22, 1281835), (38, 742115), (55, 512734), (95, 296846), (103, 273790), (110, 256367), (131, 215270), (190, 148423), (206, 136895), (209, 134930), (262, 107635), (418, 67465), (515, 54758), (655, 43054), (1030, 27379), (1045, 26986), (1133, 24890), (1310, 21527), (1441, 19570), (1957, 14410), (2090, 13493), (2266, 12445), (2489, 11330), (2882, 9785), (3914, 7205), (4978, 5665)]