214999880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 505612800

約数和(自身を除く): 290612920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 2089, 2573, 3320, 4178, 5146, 8356, 10292, 10445, 12865, 16712, 20584, 20890, 25730, 41780, 51460, 64759, 83560, 102920, 129518, 173387, 259036, 323795, 346774, 518072, 647590, 693548, 866935, 1295180, 1387096, 1733870, 2590360, 3467740, 5374997, 6935480, 10749994, 21499988, 26874985, 42999976, 53749970, 107499940, 214999880]

約数ペア:

[(1, 214999880), (2, 107499940), (4, 53749970), (5, 42999976), (8, 26874985), (10, 21499988), (20, 10749994), (31, 6935480), (40, 5374997), (62, 3467740), (83, 2590360), (124, 1733870), (155, 1387096), (166, 1295180), (248, 866935), (310, 693548), (332, 647590), (415, 518072), (620, 346774), (664, 323795), (830, 259036), (1240, 173387), (1660, 129518), (2089, 102920), (2573, 83560), (3320, 64759), (4178, 51460), (5146, 41780), (8356, 25730), (10292, 20890), (10445, 20584), (12865, 16712)]