1904978040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2267831}}^1$

素因数の和:2267852

約数の個数: 64

約数和(自身を含む): 6531356160

約数和(自身を除く): 4626378120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2267831, 4535662, 6803493, 9071324, 11339155, 13606986, 15874817, 18142648, 22678310, 27213972, 31749634, 34017465, 45356620, 47624451, 54427944, 63499268, 68034930, 79374085, 90713240, 95248902, 126998536, 136069860, 158748170, 190497804, 238122255, 272139720, 317496340, 380995608, 476244510, 634992680, 952489020, 1904978040]

約数ペア:

[(1, 1904978040), (2, 952489020), (3, 634992680), (4, 476244510), (5, 380995608), (6, 317496340), (7, 272139720), (8, 238122255), (10, 190497804), (12, 158748170), (14, 136069860), (15, 126998536), (20, 95248902), (21, 90713240), (24, 79374085), (28, 68034930), (30, 63499268), (35, 54427944), (40, 47624451), (42, 45356620), (56, 34017465), (60, 31749634), (70, 27213972), (84, 22678310), (105, 18142648), (120, 15874817), (140, 13606986), (168, 11339155), (210, 9071324), (280, 6803493), (420, 4535662), (840, 2267831)]