4279660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 11433744

約数和(自身を除く): 7154084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 397, 490, 539, 770, 794, 980, 1078, 1540, 1588, 1985, 2156, 2695, 2779, 3970, 4367, 5390, 5558, 7940, 8734, 10780, 11116, 13895, 17468, 19453, 21835, 27790, 30569, 38906, 43670, 55580, 61138, 77812, 87340, 97265, 122276, 152845, 194530, 213983, 305690, 389060, 427966, 611380, 855932, 1069915, 2139830, 4279660]

約数ペア:

[(1, 4279660), (2, 2139830), (4, 1069915), (5, 855932), (7, 611380), (10, 427966), (11, 389060), (14, 305690), (20, 213983), (22, 194530), (28, 152845), (35, 122276), (44, 97265), (49, 87340), (55, 77812), (70, 61138), (77, 55580), (98, 43670), (110, 38906), (140, 30569), (154, 27790), (196, 21835), (220, 19453), (245, 17468), (308, 13895), (385, 11116), (397, 10780), (490, 8734), (539, 7940), (770, 5558), (794, 5390), (980, 4367), (1078, 3970), (1540, 2779), (1588, 2695), (1985, 2156)]