131959940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 108

約数和(自身を含む): 341130636

約数和(自身を除く): 209170696

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 361, 373, 380, 490, 532, 665, 722, 746, 931, 980, 1330, 1444, 1492, 1805, 1862, 1865, 2527, 2611, 2660, 3610, 3724, 3730, 4655, 5054, 5222, 7087, 7220, 7460, 9310, 10108, 10444, 12635, 13055, 14174, 17689, 18277, 18620, 25270, 26110, 28348, 35378, 35435, 36554, 49609, 50540, 52220, 70756, 70870, 73108, 88445, 91385, 99218, 134653, 141740, 176890, 182770, 198436, 248045, 269306, 347263, 353780, 365540, 496090, 538612, 673265, 694526, 942571, 992180, 1346530, 1389052, 1736315, 1885142, 2693060, 3472630, 3770284, 4712855, 6597997, 6945260, 9425710, 13195994, 18851420, 26391988, 32989985, 65979970, 131959940]

約数ペア:

[(1, 131959940), (2, 65979970), (4, 32989985), (5, 26391988), (7, 18851420), (10, 13195994), (14, 9425710), (19, 6945260), (20, 6597997), (28, 4712855), (35, 3770284), (38, 3472630), (49, 2693060), (70, 1885142), (76, 1736315), (95, 1389052), (98, 1346530), (133, 992180), (140, 942571), (190, 694526), (196, 673265), (245, 538612), (266, 496090), (361, 365540), (373, 353780), (380, 347263), (490, 269306), (532, 248045), (665, 198436), (722, 182770), (746, 176890), (931, 141740), (980, 134653), (1330, 99218), (1444, 91385), (1492, 88445), (1805, 73108), (1862, 70870), (1865, 70756), (2527, 52220), (2611, 50540), (2660, 49609), (3610, 36554), (3724, 35435), (3730, 35378), (4655, 28348), (5054, 26110), (5222, 25270), (7087, 18620), (7220, 18277), (7460, 17689), (9310, 14174), (10108, 13055), (10444, 12635)]