398469780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1103}}^1$

素因数の和:1347

約数の個数: 120

約数和(自身を含む): 1256758272

約数和(自身を除く): 858288492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 223, 270, 324, 405, 446, 540, 669, 810, 892, 1103, 1115, 1338, 1620, 2007, 2206, 2230, 2676, 3309, 3345, 4014, 4412, 4460, 5515, 6021, 6618, 6690, 8028, 9927, 10035, 11030, 12042, 13236, 13380, 16545, 18063, 19854, 20070, 22060, 24084, 29781, 30105, 33090, 36126, 39708, 40140, 49635, 59562, 60210, 66180, 72252, 89343, 90315, 99270, 119124, 120420, 148905, 178686, 180630, 198540, 245969, 297810, 357372, 361260, 446715, 491938, 595620, 737907, 893430, 983876, 1229845, 1475814, 1786860, 2213721, 2459690, 2951628, 3689535, 4427442, 4919380, 6641163, 7379070, 8854884, 11068605, 13282326, 14758140, 19923489, 22137210, 26564652, 33205815, 39846978, 44274420, 66411630, 79693956, 99617445, 132823260, 199234890, 398469780]

約数ペア:

[(1, 398469780), (2, 199234890), (3, 132823260), (4, 99617445), (5, 79693956), (6, 66411630), (9, 44274420), (10, 39846978), (12, 33205815), (15, 26564652), (18, 22137210), (20, 19923489), (27, 14758140), (30, 13282326), (36, 11068605), (45, 8854884), (54, 7379070), (60, 6641163), (81, 4919380), (90, 4427442), (108, 3689535), (135, 2951628), (162, 2459690), (180, 2213721), (223, 1786860), (270, 1475814), (324, 1229845), (405, 983876), (446, 893430), (540, 737907), (669, 595620), (810, 491938), (892, 446715), (1103, 361260), (1115, 357372), (1338, 297810), (1620, 245969), (2007, 198540), (2206, 180630), (2230, 178686), (2676, 148905), (3309, 120420), (3345, 119124), (4014, 99270), (4412, 90315), (4460, 89343), (5515, 72252), (6021, 66180), (6618, 60210), (6690, 59562), (8028, 49635), (9927, 40140), (10035, 39708), (11030, 36126), (12042, 33090), (13236, 30105), (13380, 29781), (16545, 24084), (18063, 22060), (19854, 20070)]