1189780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 2741760

約数和(自身を除く): 1551980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 101, 124, 155, 190, 202, 310, 380, 404, 505, 589, 620, 1010, 1178, 1919, 2020, 2356, 2945, 3131, 3838, 5890, 6262, 7676, 9595, 11780, 12524, 15655, 19190, 31310, 38380, 59489, 62620, 118978, 237956, 297445, 594890, 1189780]

約数ペア:

[(1, 1189780), (2, 594890), (4, 297445), (5, 237956), (10, 118978), (19, 62620), (20, 59489), (31, 38380), (38, 31310), (62, 19190), (76, 15655), (95, 12524), (101, 11780), (124, 9595), (155, 7676), (190, 6262), (202, 5890), (310, 3838), (380, 3131), (404, 2945), (505, 2356), (589, 2020), (620, 1919), (1010, 1178)]