28794920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9349}}^1$

素因数の和:9378

約数の個数: 64

約数和(自身を含む): 80784000

約数和(自身を除く): 51989080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9349, 18698, 37396, 46745, 65443, 74792, 93490, 102839, 130886, 186980, 205678, 261772, 327215, 373960, 411356, 514195, 523544, 654430, 719873, 822712, 1028390, 1308860, 1439746, 2056780, 2617720, 2879492, 3599365, 4113560, 5758984, 7198730, 14397460, 28794920]

約数ペア:

[(1, 28794920), (2, 14397460), (4, 7198730), (5, 5758984), (7, 4113560), (8, 3599365), (10, 2879492), (11, 2617720), (14, 2056780), (20, 1439746), (22, 1308860), (28, 1028390), (35, 822712), (40, 719873), (44, 654430), (55, 523544), (56, 514195), (70, 411356), (77, 373960), (88, 327215), (110, 261772), (140, 205678), (154, 186980), (220, 130886), (280, 102839), (308, 93490), (385, 74792), (440, 65443), (616, 46745), (770, 37396), (1540, 18698), (3080, 9349)]