309831000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 974937600

約数和(自身を除く): 665106600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 139, 150, 200, 250, 278, 300, 375, 417, 500, 556, 600, 695, 743, 750, 834, 1000, 1112, 1390, 1486, 1500, 1668, 2085, 2229, 2780, 2972, 3000, 3336, 3475, 3715, 4170, 4458, 5560, 5944, 6950, 7430, 8340, 8916, 10425, 11145, 13900, 14860, 16680, 17375, 17832, 18575, 20850, 22290, 27800, 29720, 34750, 37150, 41700, 44580, 52125, 55725, 69500, 74300, 83400, 89160, 92875, 103277, 104250, 111450, 139000, 148600, 185750, 206554, 208500, 222900, 278625, 309831, 371500, 413108, 417000, 445800, 516385, 557250, 619662, 743000, 826216, 1032770, 1114500, 1239324, 1549155, 2065540, 2229000, 2478648, 2581925, 3098310, 4131080, 5163850, 6196620, 7745775, 10327700, 12393240, 12909625, 15491550, 20655400, 25819250, 30983100, 38728875, 51638500, 61966200, 77457750, 103277000, 154915500, 309831000]

約数ペア:

[(1, 309831000), (2, 154915500), (3, 103277000), (4, 77457750), (5, 61966200), (6, 51638500), (8, 38728875), (10, 30983100), (12, 25819250), (15, 20655400), (20, 15491550), (24, 12909625), (25, 12393240), (30, 10327700), (40, 7745775), (50, 6196620), (60, 5163850), (75, 4131080), (100, 3098310), (120, 2581925), (125, 2478648), (139, 2229000), (150, 2065540), (200, 1549155), (250, 1239324), (278, 1114500), (300, 1032770), (375, 826216), (417, 743000), (500, 619662), (556, 557250), (600, 516385), (695, 445800), (743, 417000), (750, 413108), (834, 371500), (1000, 309831), (1112, 278625), (1390, 222900), (1486, 208500), (1500, 206554), (1668, 185750), (2085, 148600), (2229, 139000), (2780, 111450), (2972, 104250), (3000, 103277), (3336, 92875), (3475, 89160), (3715, 83400), (4170, 74300), (4458, 69500), (5560, 55725), (5944, 52125), (6950, 44580), (7430, 41700), (8340, 37150), (8916, 34750), (10425, 29720), (11145, 27800), (13900, 22290), (14860, 20850), (16680, 18575), (17375, 17832)]