207438980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47797}}^1$

素因数の和:47844

約数の個数: 48

約数和(自身を含む): 513924096

約数和(自身を除く): 306485116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 47797, 95594, 191188, 238985, 334579, 477970, 669158, 955940, 1338316, 1481707, 1672895, 2963414, 3345790, 5926828, 6691580, 7408535, 10371949, 14817070, 20743898, 29634140, 41487796, 51859745, 103719490, 207438980]

約数ペア:

[(1, 207438980), (2, 103719490), (4, 51859745), (5, 41487796), (7, 29634140), (10, 20743898), (14, 14817070), (20, 10371949), (28, 7408535), (31, 6691580), (35, 5926828), (62, 3345790), (70, 2963414), (124, 1672895), (140, 1481707), (155, 1338316), (217, 955940), (310, 669158), (434, 477970), (620, 334579), (868, 238985), (1085, 191188), (2170, 95594), (4340, 47797)]