4472980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 10080000

約数和(自身を除く): 5607020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 149, 158, 190, 298, 316, 380, 395, 596, 745, 790, 1490, 1501, 1580, 2831, 2980, 3002, 5662, 6004, 7505, 11324, 11771, 14155, 15010, 23542, 28310, 30020, 47084, 56620, 58855, 117710, 223649, 235420, 447298, 894596, 1118245, 2236490, 4472980]

約数ペア:

[(1, 4472980), (2, 2236490), (4, 1118245), (5, 894596), (10, 447298), (19, 235420), (20, 223649), (38, 117710), (76, 58855), (79, 56620), (95, 47084), (149, 30020), (158, 28310), (190, 23542), (298, 15010), (316, 14155), (380, 11771), (395, 11324), (596, 7505), (745, 6004), (790, 5662), (1490, 3002), (1501, 2980), (1580, 2831)]