389600770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{857}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 763088040

約数和(自身を除く): 373487270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 269, 338, 538, 845, 857, 1345, 1690, 1714, 2690, 3497, 4285, 6994, 8570, 11141, 17485, 22282, 34970, 45461, 55705, 90922, 111410, 144833, 227305, 230533, 289666, 454610, 461066, 724165, 1152665, 1448330, 2305330, 2996929, 5993858, 14984645, 29969290, 38960077, 77920154, 194800385, 389600770]

約数ペア:

[(1, 389600770), (2, 194800385), (5, 77920154), (10, 38960077), (13, 29969290), (26, 14984645), (65, 5993858), (130, 2996929), (169, 2305330), (269, 1448330), (338, 1152665), (538, 724165), (845, 461066), (857, 454610), (1345, 289666), (1690, 230533), (1714, 227305), (2690, 144833), (3497, 111410), (4285, 90922), (6994, 55705), (8570, 45461), (11141, 34970), (17485, 22282)]