1238119540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{285281}}^1$

素因数の和:285328

約数の個数: 48

約数和(自身を含む): 3067352064

約数和(自身を除く): 1829232524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 285281, 570562, 1141124, 1426405, 1996967, 2852810, 3993934, 5705620, 7987868, 8843711, 9984835, 17687422, 19969670, 35374844, 39939340, 44218555, 61905977, 88437110, 123811954, 176874220, 247623908, 309529885, 619059770, 1238119540]

約数ペア:

[(1, 1238119540), (2, 619059770), (4, 309529885), (5, 247623908), (7, 176874220), (10, 123811954), (14, 88437110), (20, 61905977), (28, 44218555), (31, 39939340), (35, 35374844), (62, 19969670), (70, 17687422), (124, 9984835), (140, 8843711), (155, 7987868), (217, 5705620), (310, 3993934), (434, 2852810), (620, 1996967), (868, 1426405), (1085, 1141124), (2170, 570562), (4340, 285281)]