2011921520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{58897}}^1$

素因数の和:58978

約数の個数: 80

約数和(自身を含む): 5433693888

約数和(自身を除く): 3421772368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4880, 6832, 8540, 17080, 34160, 58897, 117794, 235588, 294485, 412279, 471176, 588970, 824558, 942352, 1177940, 1649116, 2061395, 2355880, 3298232, 3592717, 4122790, 4711760, 6596464, 7185434, 8245580, 14370868, 16491160, 17963585, 25149019, 28741736, 32982320, 35927170, 50298038, 57483472, 71854340, 100596076, 125745095, 143708680, 201192152, 251490190, 287417360, 402384304, 502980380, 1005960760, 2011921520]

約数ペア:

[(1, 2011921520), (2, 1005960760), (4, 502980380), (5, 402384304), (7, 287417360), (8, 251490190), (10, 201192152), (14, 143708680), (16, 125745095), (20, 100596076), (28, 71854340), (35, 57483472), (40, 50298038), (56, 35927170), (61, 32982320), (70, 28741736), (80, 25149019), (112, 17963585), (122, 16491160), (140, 14370868), (244, 8245580), (280, 7185434), (305, 6596464), (427, 4711760), (488, 4122790), (560, 3592717), (610, 3298232), (854, 2355880), (976, 2061395), (1220, 1649116), (1708, 1177940), (2135, 942352), (2440, 824558), (3416, 588970), (4270, 471176), (4880, 412279), (6832, 294485), (8540, 235588), (17080, 117794), (34160, 58897)]