7799740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 17851680

約数和(自身を除く): 10051940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 229, 260, 262, 458, 524, 655, 916, 1145, 1310, 1703, 2290, 2620, 2977, 3406, 4580, 5954, 6812, 8515, 11908, 14885, 17030, 29770, 29999, 34060, 59540, 59998, 119996, 149995, 299990, 389987, 599980, 779974, 1559948, 1949935, 3899870, 7799740]

約数ペア:

[(1, 7799740), (2, 3899870), (4, 1949935), (5, 1559948), (10, 779974), (13, 599980), (20, 389987), (26, 299990), (52, 149995), (65, 119996), (130, 59998), (131, 59540), (229, 34060), (260, 29999), (262, 29770), (458, 17030), (524, 14885), (655, 11908), (916, 8515), (1145, 6812), (1310, 5954), (1703, 4580), (2290, 3406), (2620, 2977)]