397393930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{44501}}^1$

素因数の和:44574

約数の個数: 32

約数和(自身を含む): 768994560

約数和(自身を除く): 371600630

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 44501, 89002, 222505, 445010, 845519, 1691038, 2091547, 4183094, 4227595, 8455190, 10457735, 20915470, 39739393, 79478786, 198696965, 397393930]

約数ペア:

[(1, 397393930), (2, 198696965), (5, 79478786), (10, 39739393), (19, 20915470), (38, 10457735), (47, 8455190), (94, 4227595), (95, 4183094), (190, 2091547), (235, 1691038), (470, 845519), (893, 445010), (1786, 222505), (4465, 89002), (8930, 44501)]