397339730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^2$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 755523720

約数和(自身を除く): 358183990

約数列:

[1, 2, 5, 10, 29, 58, 73, 137, 145, 146, 274, 290, 365, 685, 730, 1370, 2117, 3973, 4234, 7946, 10001, 10585, 18769, 19865, 20002, 21170, 37538, 39730, 50005, 93845, 100010, 187690, 290029, 544301, 580058, 1088602, 1370137, 1450145, 2721505, 2740274, 2900290, 5443010, 6850685, 13701370, 39733973, 79467946, 198669865, 397339730]

約数ペア:

[(1, 397339730), (2, 198669865), (5, 79467946), (10, 39733973), (29, 13701370), (58, 6850685), (73, 5443010), (137, 2900290), (145, 2740274), (146, 2721505), (274, 1450145), (290, 1370137), (365, 1088602), (685, 580058), (730, 544301), (1370, 290029), (2117, 187690), (3973, 100010), (4234, 93845), (7946, 50005), (10001, 39730), (10585, 37538), (18769, 21170), (19865, 20002)]