403744340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1811}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 865759104

約数和(自身を除く): 462014764

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 284, 314, 355, 628, 710, 785, 1420, 1570, 1811, 3140, 3622, 7244, 9055, 11147, 18110, 22294, 36220, 44588, 55735, 111470, 128581, 222940, 257162, 284327, 514324, 568654, 642905, 1137308, 1285810, 1421635, 2571620, 2843270, 5686540, 20187217, 40374434, 80748868, 100936085, 201872170, 403744340]

約数ペア:

[(1, 403744340), (2, 201872170), (4, 100936085), (5, 80748868), (10, 40374434), (20, 20187217), (71, 5686540), (142, 2843270), (157, 2571620), (284, 1421635), (314, 1285810), (355, 1137308), (628, 642905), (710, 568654), (785, 514324), (1420, 284327), (1570, 257162), (1811, 222940), (3140, 128581), (3622, 111470), (7244, 55735), (9055, 44588), (11147, 36220), (18110, 22294)]