16965620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{677}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 41005440

約数和(自身を除く): 24039820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 677, 716, 895, 1253, 1354, 1790, 2506, 2708, 3385, 3580, 4739, 5012, 6265, 6770, 9478, 12530, 13540, 18956, 23695, 25060, 47390, 94780, 121183, 242366, 484732, 605915, 848281, 1211830, 1696562, 2423660, 3393124, 4241405, 8482810, 16965620]

約数ペア:

[(1, 16965620), (2, 8482810), (4, 4241405), (5, 3393124), (7, 2423660), (10, 1696562), (14, 1211830), (20, 848281), (28, 605915), (35, 484732), (70, 242366), (140, 121183), (179, 94780), (358, 47390), (677, 25060), (716, 23695), (895, 18956), (1253, 13540), (1354, 12530), (1790, 9478), (2506, 6770), (2708, 6265), (3385, 5012), (3580, 4739)]