1799940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 5100480

約数和(自身を除く): 3300540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 229, 262, 393, 458, 524, 655, 687, 786, 916, 1145, 1310, 1374, 1572, 1965, 2290, 2620, 2748, 3435, 3930, 4580, 6870, 7860, 13740, 29999, 59998, 89997, 119996, 149995, 179994, 299990, 359988, 449985, 599980, 899970, 1799940]

約数ペア:

[(1, 1799940), (2, 899970), (3, 599980), (4, 449985), (5, 359988), (6, 299990), (10, 179994), (12, 149995), (15, 119996), (20, 89997), (30, 59998), (60, 29999), (131, 13740), (229, 7860), (262, 6870), (393, 4580), (458, 3930), (524, 3435), (655, 2748), (687, 2620), (786, 2290), (916, 1965), (1145, 1572), (1310, 1374)]