1895960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 4838400

約数和(自身を除く): 2942440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 139, 155, 220, 248, 278, 310, 341, 440, 556, 620, 682, 695, 1112, 1240, 1364, 1390, 1529, 1705, 2728, 2780, 3058, 3410, 4309, 5560, 6116, 6820, 7645, 8618, 12232, 13640, 15290, 17236, 21545, 30580, 34472, 43090, 47399, 61160, 86180, 94798, 172360, 189596, 236995, 379192, 473990, 947980, 1895960]

約数ペア:

[(1, 1895960), (2, 947980), (4, 473990), (5, 379192), (8, 236995), (10, 189596), (11, 172360), (20, 94798), (22, 86180), (31, 61160), (40, 47399), (44, 43090), (55, 34472), (62, 30580), (88, 21545), (110, 17236), (124, 15290), (139, 13640), (155, 12232), (220, 8618), (248, 7645), (278, 6820), (310, 6116), (341, 5560), (440, 4309), (556, 3410), (620, 3058), (682, 2780), (695, 2728), (1112, 1705), (1240, 1529), (1364, 1390)]