168431060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^2$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 419403264

約数和(自身を除く): 250972204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 197, 217, 310, 394, 434, 620, 788, 868, 985, 1085, 1379, 1970, 2170, 2758, 3940, 4340, 5516, 6107, 6895, 12214, 13790, 24428, 27580, 30535, 38809, 42749, 61070, 77618, 85498, 122140, 155236, 170996, 194045, 213745, 271663, 388090, 427490, 543326, 776180, 854980, 1086652, 1203079, 1358315, 2406158, 2716630, 4812316, 5433260, 6015395, 8421553, 12030790, 16843106, 24061580, 33686212, 42107765, 84215530, 168431060]

約数ペア:

[(1, 168431060), (2, 84215530), (4, 42107765), (5, 33686212), (7, 24061580), (10, 16843106), (14, 12030790), (20, 8421553), (28, 6015395), (31, 5433260), (35, 4812316), (62, 2716630), (70, 2406158), (124, 1358315), (140, 1203079), (155, 1086652), (197, 854980), (217, 776180), (310, 543326), (394, 427490), (434, 388090), (620, 271663), (788, 213745), (868, 194045), (985, 170996), (1085, 155236), (1379, 122140), (1970, 85498), (2170, 77618), (2758, 61070), (3940, 42749), (4340, 38809), (5516, 30535), (6107, 27580), (6895, 24428), (12214, 13790)]