396989740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{42323}}^1$

素因数の和:42406

約数の個数: 48

約数和(自身を含む): 967018752

約数和(自身を除く): 570029012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 42323, 84646, 169292, 211615, 296261, 423230, 592522, 846460, 1185044, 1481305, 2835641, 2962610, 5671282, 5925220, 11342564, 14178205, 19849487, 28356410, 39698974, 56712820, 79397948, 99247435, 198494870, 396989740]

約数ペア:

[(1, 396989740), (2, 198494870), (4, 99247435), (5, 79397948), (7, 56712820), (10, 39698974), (14, 28356410), (20, 19849487), (28, 14178205), (35, 11342564), (67, 5925220), (70, 5671282), (134, 2962610), (140, 2835641), (268, 1481305), (335, 1185044), (469, 846460), (670, 592522), (938, 423230), (1340, 296261), (1876, 211615), (2345, 169292), (4690, 84646), (9380, 42323)]