1219540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 3032064

約数和(自身を除く): 1812524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 281, 310, 434, 562, 620, 868, 1085, 1124, 1405, 1967, 2170, 2810, 3934, 4340, 5620, 7868, 8711, 9835, 17422, 19670, 34844, 39340, 43555, 60977, 87110, 121954, 174220, 243908, 304885, 609770, 1219540]

約数ペア:

[(1, 1219540), (2, 609770), (4, 304885), (5, 243908), (7, 174220), (10, 121954), (14, 87110), (20, 60977), (28, 43555), (31, 39340), (35, 34844), (62, 19670), (70, 17422), (124, 9835), (140, 8711), (155, 7868), (217, 5620), (281, 4340), (310, 3934), (434, 2810), (562, 2170), (620, 1967), (868, 1405), (1085, 1124)]