238168420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{12791}}^1$

素因数の和:12833

約数の個数: 72

約数和(自身を含む): 612480960

約数和(自身を除く): 374312540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 12791, 18620, 25582, 51164, 63955, 89537, 127910, 179074, 243029, 255820, 358148, 447685, 486058, 626759, 895370, 972116, 1215145, 1253518, 1701203, 1790740, 2430290, 2507036, 3133795, 3402406, 4860580, 6267590, 6804812, 8506015, 11908421, 12535180, 17012030, 23816842, 34024060, 47633684, 59542105, 119084210, 238168420]

約数ペア:

[(1, 238168420), (2, 119084210), (4, 59542105), (5, 47633684), (7, 34024060), (10, 23816842), (14, 17012030), (19, 12535180), (20, 11908421), (28, 8506015), (35, 6804812), (38, 6267590), (49, 4860580), (70, 3402406), (76, 3133795), (95, 2507036), (98, 2430290), (133, 1790740), (140, 1701203), (190, 1253518), (196, 1215145), (245, 972116), (266, 895370), (380, 626759), (490, 486058), (532, 447685), (665, 358148), (931, 255820), (980, 243029), (1330, 179074), (1862, 127910), (2660, 89537), (3724, 63955), (4655, 51164), (9310, 25582), (12791, 18620)]