2912137420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1\times {\mathrm{2393}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 6211453248

約数和(自身を除く): 3299315828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 857, 1420, 1714, 2393, 3428, 4285, 4786, 8570, 9572, 11965, 17140, 23930, 47860, 60847, 121694, 169903, 243388, 304235, 339806, 608470, 679612, 849515, 1216940, 1699030, 2050801, 3398060, 4101602, 8203204, 10254005, 20508010, 41016020, 145606871, 291213742, 582427484, 728034355, 1456068710, 2912137420]

約数ペア:

[(1, 2912137420), (2, 1456068710), (4, 728034355), (5, 582427484), (10, 291213742), (20, 145606871), (71, 41016020), (142, 20508010), (284, 10254005), (355, 8203204), (710, 4101602), (857, 3398060), (1420, 2050801), (1714, 1699030), (2393, 1216940), (3428, 849515), (4285, 679612), (4786, 608470), (8570, 339806), (9572, 304235), (11965, 243388), (17140, 169903), (23930, 121694), (47860, 60847)]