221445910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 484600320

約数和(自身を除く): 263154410

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 379, 491, 595, 758, 982, 1190, 1895, 2455, 2653, 3437, 3790, 4910, 5306, 6443, 6874, 8347, 12886, 13265, 16694, 17185, 26530, 32215, 34370, 41735, 45101, 58429, 64430, 83470, 90202, 116858, 186089, 225505, 292145, 372178, 451010, 584290, 930445, 1302623, 1860890, 2605246, 3163513, 6327026, 6513115, 13026230, 15817565, 22144591, 31635130, 44289182, 110722955, 221445910]

約数ペア:

[(1, 221445910), (2, 110722955), (5, 44289182), (7, 31635130), (10, 22144591), (14, 15817565), (17, 13026230), (34, 6513115), (35, 6327026), (70, 3163513), (85, 2605246), (119, 1860890), (170, 1302623), (238, 930445), (379, 584290), (491, 451010), (595, 372178), (758, 292145), (982, 225505), (1190, 186089), (1895, 116858), (2455, 90202), (2653, 83470), (3437, 64430), (3790, 58429), (4910, 45101), (5306, 41735), (6443, 34370), (6874, 32215), (8347, 26530), (12886, 17185), (13265, 16694)]