2494020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 7051968

約数和(自身を除く): 4557948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 211, 394, 422, 591, 633, 788, 844, 985, 1055, 1182, 1266, 1970, 2110, 2364, 2532, 2955, 3165, 3940, 4220, 5910, 6330, 11820, 12660, 41567, 83134, 124701, 166268, 207835, 249402, 415670, 498804, 623505, 831340, 1247010, 2494020]

約数ペア:

[(1, 2494020), (2, 1247010), (3, 831340), (4, 623505), (5, 498804), (6, 415670), (10, 249402), (12, 207835), (15, 166268), (20, 124701), (30, 83134), (60, 41567), (197, 12660), (211, 11820), (394, 6330), (422, 5910), (591, 4220), (633, 3940), (788, 3165), (844, 2955), (985, 2532), (1055, 2364), (1182, 2110), (1266, 1970)]