168040460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1249}}^1$

素因数の和:1327

約数の個数: 72

約数和(自身を含む): 417060000

約数和(自身を除く): 249019540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1249, 1922, 2170, 2498, 3844, 4340, 4805, 4996, 6245, 6727, 8743, 9610, 12490, 13454, 17486, 19220, 24980, 26908, 33635, 34972, 38719, 43715, 67270, 77438, 87430, 134540, 154876, 174860, 193595, 271033, 387190, 542066, 774380, 1084132, 1200289, 1355165, 2400578, 2710330, 4801156, 5420660, 6001445, 8402023, 12002890, 16804046, 24005780, 33608092, 42010115, 84020230, 168040460]

約数ペア:

[(1, 168040460), (2, 84020230), (4, 42010115), (5, 33608092), (7, 24005780), (10, 16804046), (14, 12002890), (20, 8402023), (28, 6001445), (31, 5420660), (35, 4801156), (62, 2710330), (70, 2400578), (124, 1355165), (140, 1200289), (155, 1084132), (217, 774380), (310, 542066), (434, 387190), (620, 271033), (868, 193595), (961, 174860), (1085, 154876), (1249, 134540), (1922, 87430), (2170, 77438), (2498, 67270), (3844, 43715), (4340, 38719), (4805, 34972), (4996, 33635), (6245, 26908), (6727, 24980), (8743, 19220), (9610, 17486), (12490, 13454)]