284247790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 548091360

約数和(自身を除く): 263843570

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 361, 710, 722, 1109, 1349, 1805, 2218, 2698, 3610, 5545, 6745, 11090, 13490, 21071, 25631, 42142, 51262, 78739, 105355, 128155, 157478, 210710, 256310, 393695, 400349, 787390, 800698, 1496041, 2001745, 2992082, 4003490, 7480205, 14960410, 28424779, 56849558, 142123895, 284247790]

約数ペア:

[(1, 284247790), (2, 142123895), (5, 56849558), (10, 28424779), (19, 14960410), (38, 7480205), (71, 4003490), (95, 2992082), (142, 2001745), (190, 1496041), (355, 800698), (361, 787390), (710, 400349), (722, 393695), (1109, 256310), (1349, 210710), (1805, 157478), (2218, 128155), (2698, 105355), (3610, 78739), (5545, 51262), (6745, 42142), (11090, 25631), (13490, 21071)]