1242990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{1973}}^1$

素因数の和:1993

約数の個数: 48

約数和(自身を含む): 3695328

約数和(自身を除く): 2452338

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1973, 3946, 5919, 9865, 11838, 13811, 17757, 19730, 27622, 29595, 35514, 41433, 59190, 69055, 82866, 88785, 124299, 138110, 177570, 207165, 248598, 414330, 621495, 1242990]

約数ペア:

[(1, 1242990), (2, 621495), (3, 414330), (5, 248598), (6, 207165), (7, 177570), (9, 138110), (10, 124299), (14, 88785), (15, 82866), (18, 69055), (21, 59190), (30, 41433), (35, 35514), (42, 29595), (45, 27622), (63, 19730), (70, 17757), (90, 13811), (105, 11838), (126, 9865), (210, 5919), (315, 3946), (630, 1973)]