187869220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121993}}^1$

素因数の和:122020

約数の個数: 48

約数和(自身を含む): 491879808

約数和(自身を除く): 304010588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 121993, 243986, 487972, 609965, 853951, 1219930, 1341923, 1707902, 2439860, 2683846, 3415804, 4269755, 5367692, 6709615, 8539510, 9393461, 13419230, 17079020, 18786922, 26838460, 37573844, 46967305, 93934610, 187869220]

約数ペア:

[(1, 187869220), (2, 93934610), (4, 46967305), (5, 37573844), (7, 26838460), (10, 18786922), (11, 17079020), (14, 13419230), (20, 9393461), (22, 8539510), (28, 6709615), (35, 5367692), (44, 4269755), (55, 3415804), (70, 2683846), (77, 2439860), (110, 1707902), (140, 1341923), (154, 1219930), (220, 853951), (308, 609965), (385, 487972), (770, 243986), (1540, 121993)]