4342157780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{26029}}^1$

素因数の和:26496

約数の個数: 48

約数和(自身を含む): 9620688000

約数和(自身を除く): 5278530220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 878, 1756, 2195, 4390, 8341, 8780, 16682, 26029, 33364, 41705, 52058, 83410, 104116, 130145, 166820, 260290, 494551, 520580, 989102, 1978204, 2472755, 4945510, 9891020, 11426731, 22853462, 45706924, 57133655, 114267310, 217107889, 228534620, 434215778, 868431556, 1085539445, 2171078890, 4342157780]

約数ペア:

[(1, 4342157780), (2, 2171078890), (4, 1085539445), (5, 868431556), (10, 434215778), (19, 228534620), (20, 217107889), (38, 114267310), (76, 57133655), (95, 45706924), (190, 22853462), (380, 11426731), (439, 9891020), (878, 4945510), (1756, 2472755), (2195, 1978204), (4390, 989102), (8341, 520580), (8780, 494551), (16682, 260290), (26029, 166820), (33364, 130145), (41705, 104116), (52058, 83410)]