171799180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20117}}^1$

素因数の和:20194

約数の個数: 48

約数和(自身を含む): 419098176

約数和(自身を除く): 247298996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 20117, 40234, 80468, 100585, 140819, 201170, 281638, 402340, 563276, 704095, 1227137, 1408190, 2454274, 2816380, 4908548, 6135685, 8589959, 12271370, 17179918, 24542740, 34359836, 42949795, 85899590, 171799180]

約数ペア:

[(1, 171799180), (2, 85899590), (4, 42949795), (5, 34359836), (7, 24542740), (10, 17179918), (14, 12271370), (20, 8589959), (28, 6135685), (35, 4908548), (61, 2816380), (70, 2454274), (122, 1408190), (140, 1227137), (244, 704095), (305, 563276), (427, 402340), (610, 281638), (854, 201170), (1220, 140819), (1708, 100585), (2135, 80468), (4270, 40234), (8540, 20117)]