20163618700

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{947}}^1\times {\mathrm{1429}}^1$

素因数の和:2539

約数の個数: 72

約数和(自身を含む): 44126082000

約数和(自身を除く): 23962463300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 947, 1429, 1490, 1894, 2858, 2980, 3725, 3788, 4735, 5716, 7145, 7450, 9470, 14290, 14900, 18940, 23675, 28580, 35725, 47350, 71450, 94700, 141103, 142900, 212921, 282206, 425842, 564412, 705515, 851684, 1064605, 1353263, 1411030, 2129210, 2706526, 2822060, 3527575, 4258420, 5323025, 5413052, 6766315, 7055150, 10646050, 13532630, 14110300, 21292100, 27065260, 33831575, 67663150, 135326300, 201636187, 403272374, 806544748, 1008180935, 2016361870, 4032723740, 5040904675, 10081809350, 20163618700]

約数ペア:

[(1, 20163618700), (2, 10081809350), (4, 5040904675), (5, 4032723740), (10, 2016361870), (20, 1008180935), (25, 806544748), (50, 403272374), (100, 201636187), (149, 135326300), (298, 67663150), (596, 33831575), (745, 27065260), (947, 21292100), (1429, 14110300), (1490, 13532630), (1894, 10646050), (2858, 7055150), (2980, 6766315), (3725, 5413052), (3788, 5323025), (4735, 4258420), (5716, 3527575), (7145, 2822060), (7450, 2706526), (9470, 2129210), (14290, 1411030), (14900, 1353263), (18940, 1064605), (23675, 851684), (28580, 705515), (35725, 564412), (47350, 425842), (71450, 282206), (94700, 212921), (141103, 142900)]