2007696560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{2647}}^1$

素因数の和:3178

約数の個数: 80

約数和(自身を含む): 4925280000

約数和(自身を除く): 2917583440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 499, 760, 998, 1520, 1996, 2495, 2647, 3992, 4990, 5294, 7984, 9481, 9980, 10588, 13235, 18962, 19960, 21176, 26470, 37924, 39920, 42352, 47405, 50293, 52940, 75848, 94810, 100586, 105880, 151696, 189620, 201172, 211760, 251465, 379240, 402344, 502930, 758480, 804688, 1005860, 1320853, 2011720, 2641706, 4023440, 5283412, 6604265, 10566824, 13208530, 21133648, 25096207, 26417060, 50192414, 52834120, 100384828, 105668240, 125481035, 200769656, 250962070, 401539312, 501924140, 1003848280, 2007696560]

約数ペア:

[(1, 2007696560), (2, 1003848280), (4, 501924140), (5, 401539312), (8, 250962070), (10, 200769656), (16, 125481035), (19, 105668240), (20, 100384828), (38, 52834120), (40, 50192414), (76, 26417060), (80, 25096207), (95, 21133648), (152, 13208530), (190, 10566824), (304, 6604265), (380, 5283412), (499, 4023440), (760, 2641706), (998, 2011720), (1520, 1320853), (1996, 1005860), (2495, 804688), (2647, 758480), (3992, 502930), (4990, 402344), (5294, 379240), (7984, 251465), (9481, 211760), (9980, 201172), (10588, 189620), (13235, 151696), (18962, 105880), (19960, 100586), (21176, 94810), (26470, 75848), (37924, 52940), (39920, 50293), (42352, 47405)]