2015375980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{112843}}^1$

素因数の和:112918

約数の個数: 48

約数和(自身を含む): 4549870080

約数和(自身を除く): 2534494100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 17860, 112843, 225686, 451372, 564215, 1128430, 2144017, 2256860, 4288034, 5303621, 8576068, 10607242, 10720085, 21214484, 21440170, 26518105, 42880340, 53036210, 100768799, 106072420, 201537598, 403075196, 503843995, 1007687990, 2015375980]

約数ペア:

[(1, 2015375980), (2, 1007687990), (4, 503843995), (5, 403075196), (10, 201537598), (19, 106072420), (20, 100768799), (38, 53036210), (47, 42880340), (76, 26518105), (94, 21440170), (95, 21214484), (188, 10720085), (190, 10607242), (235, 8576068), (380, 5303621), (470, 4288034), (893, 2256860), (940, 2144017), (1786, 1128430), (3572, 564215), (4465, 451372), (8930, 225686), (17860, 112843)]