947980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 2257920

約数和(自身を除く): 1309940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 139, 155, 220, 278, 310, 341, 556, 620, 682, 695, 1364, 1390, 1529, 1705, 2780, 3058, 3410, 4309, 6116, 6820, 7645, 8618, 15290, 17236, 21545, 30580, 43090, 47399, 86180, 94798, 189596, 236995, 473990, 947980]

約数ペア:

[(1, 947980), (2, 473990), (4, 236995), (5, 189596), (10, 94798), (11, 86180), (20, 47399), (22, 43090), (31, 30580), (44, 21545), (55, 17236), (62, 15290), (110, 8618), (124, 7645), (139, 6820), (155, 6116), (220, 4309), (278, 3410), (310, 3058), (341, 2780), (556, 1705), (620, 1529), (682, 1390), (695, 1364)]