67503580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 149940000

約数和(自身を除く): 82436420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 509, 698, 1018, 1396, 1745, 2036, 2545, 3490, 5090, 6631, 6980, 9671, 10180, 13262, 19342, 26524, 33155, 38684, 48355, 66310, 96710, 132620, 177641, 193420, 355282, 710564, 888205, 1776410, 3375179, 3552820, 6750358, 13500716, 16875895, 33751790, 67503580]

約数ペア:

[(1, 67503580), (2, 33751790), (4, 16875895), (5, 13500716), (10, 6750358), (19, 3552820), (20, 3375179), (38, 1776410), (76, 888205), (95, 710564), (190, 355282), (349, 193420), (380, 177641), (509, 132620), (698, 96710), (1018, 66310), (1396, 48355), (1745, 38684), (2036, 33155), (2545, 26524), (3490, 19342), (5090, 13262), (6631, 10180), (6980, 9671)]