1799004780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{20029}}^1$

素因数の和:20543

約数の個数: 72

約数和(自身を含む): 5468190000

約数和(自身を除く): 3669185220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4990, 5988, 7485, 8982, 9980, 14970, 17964, 20029, 22455, 29940, 40058, 44910, 60087, 80116, 89820, 100145, 120174, 180261, 200290, 240348, 300435, 360522, 400580, 600870, 721044, 901305, 1201740, 1802610, 3605220, 9994471, 19988942, 29983413, 39977884, 49972355, 59966826, 89950239, 99944710, 119933652, 149917065, 179900478, 199889420, 299834130, 359800956, 449751195, 599668260, 899502390, 1799004780]

約数ペア:

[(1, 1799004780), (2, 899502390), (3, 599668260), (4, 449751195), (5, 359800956), (6, 299834130), (9, 199889420), (10, 179900478), (12, 149917065), (15, 119933652), (18, 99944710), (20, 89950239), (30, 59966826), (36, 49972355), (45, 39977884), (60, 29983413), (90, 19988942), (180, 9994471), (499, 3605220), (998, 1802610), (1497, 1201740), (1996, 901305), (2495, 721044), (2994, 600870), (4491, 400580), (4990, 360522), (5988, 300435), (7485, 240348), (8982, 200290), (9980, 180261), (14970, 120174), (17964, 100145), (20029, 89820), (22455, 80116), (29940, 60087), (40058, 44910)]