199870740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{123377}}^1$

素因数の和:123398

約数の個数: 60

約数和(自身を含む): 627006996

約数和(自身を除く): 427136256

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 123377, 246754, 370131, 493508, 616885, 740262, 1110393, 1233770, 1480524, 1850655, 2220786, 2467540, 3331179, 3701310, 4441572, 5551965, 6662358, 7402620, 9993537, 11103930, 13324716, 16655895, 19987074, 22207860, 33311790, 39974148, 49967685, 66623580, 99935370, 199870740]

約数ペア:

[(1, 199870740), (2, 99935370), (3, 66623580), (4, 49967685), (5, 39974148), (6, 33311790), (9, 22207860), (10, 19987074), (12, 16655895), (15, 13324716), (18, 11103930), (20, 9993537), (27, 7402620), (30, 6662358), (36, 5551965), (45, 4441572), (54, 3701310), (60, 3331179), (81, 2467540), (90, 2220786), (108, 1850655), (135, 1480524), (162, 1233770), (180, 1110393), (270, 740262), (324, 616885), (405, 493508), (540, 370131), (810, 246754), (1620, 123377)]