1856805220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{7001}}^1$

素因数の和:7248

約数の個数: 48

約数和(自身を含む): 3970134000

約数和(自身を除く): 2113328780

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 445, 596, 745, 890, 1490, 1780, 2980, 7001, 13261, 14002, 26522, 28004, 35005, 53044, 66305, 70010, 132610, 140020, 265220, 623089, 1043149, 1246178, 2086298, 2492356, 3115445, 4172596, 5215745, 6230890, 10431490, 12461780, 20862980, 92840261, 185680522, 371361044, 464201305, 928402610, 1856805220]

約数ペア:

[(1, 1856805220), (2, 928402610), (4, 464201305), (5, 371361044), (10, 185680522), (20, 92840261), (89, 20862980), (149, 12461780), (178, 10431490), (298, 6230890), (356, 5215745), (445, 4172596), (596, 3115445), (745, 2492356), (890, 2086298), (1490, 1246178), (1780, 1043149), (2980, 623089), (7001, 265220), (13261, 140020), (14002, 132610), (26522, 70010), (28004, 66305), (35005, 53044)]