29870120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 77604480

約数和(自身を除く): 47734360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 997, 1070, 1498, 1994, 2140, 2996, 3745, 3988, 4280, 4985, 5992, 6979, 7490, 7976, 9970, 13958, 14980, 19940, 27916, 29960, 34895, 39880, 55832, 69790, 106679, 139580, 213358, 279160, 426716, 533395, 746753, 853432, 1066790, 1493506, 2133580, 2987012, 3733765, 4267160, 5974024, 7467530, 14935060, 29870120]

約数ペア:

[(1, 29870120), (2, 14935060), (4, 7467530), (5, 5974024), (7, 4267160), (8, 3733765), (10, 2987012), (14, 2133580), (20, 1493506), (28, 1066790), (35, 853432), (40, 746753), (56, 533395), (70, 426716), (107, 279160), (140, 213358), (214, 139580), (280, 106679), (428, 69790), (535, 55832), (749, 39880), (856, 34895), (997, 29960), (1070, 27916), (1498, 19940), (1994, 14980), (2140, 13958), (2996, 9970), (3745, 7976), (3988, 7490), (4280, 6979), (4985, 5992)]