1405654660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{74531}}^1$

素因数の和:74604

約数の個数: 48

約数和(自身を含む): 3155386752

約数和(自身を除く): 1749732092

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 18860, 74531, 149062, 298124, 372655, 745310, 1490620, 1714213, 3055771, 3428426, 6111542, 6856852, 8571065, 12223084, 15278855, 17142130, 30557710, 34284260, 61115420, 70282733, 140565466, 281130932, 351413665, 702827330, 1405654660]

約数ペア:

[(1, 1405654660), (2, 702827330), (4, 351413665), (5, 281130932), (10, 140565466), (20, 70282733), (23, 61115420), (41, 34284260), (46, 30557710), (82, 17142130), (92, 15278855), (115, 12223084), (164, 8571065), (205, 6856852), (230, 6111542), (410, 3428426), (460, 3055771), (820, 1714213), (943, 1490620), (1886, 745310), (3772, 372655), (4715, 298124), (9430, 149062), (18860, 74531)]