69818140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 171908352

約数和(自身を除く): 102090212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 373, 382, 490, 746, 764, 955, 980, 1337, 1492, 1865, 1910, 2611, 2674, 3730, 3820, 5222, 5348, 6685, 7460, 9359, 10444, 13055, 13370, 18277, 18718, 26110, 26740, 36554, 37436, 46795, 52220, 71243, 73108, 91385, 93590, 142486, 182770, 187180, 284972, 356215, 365540, 498701, 712430, 997402, 1424860, 1994804, 2493505, 3490907, 4987010, 6981814, 9974020, 13963628, 17454535, 34909070, 69818140]

約数ペア:

[(1, 69818140), (2, 34909070), (4, 17454535), (5, 13963628), (7, 9974020), (10, 6981814), (14, 4987010), (20, 3490907), (28, 2493505), (35, 1994804), (49, 1424860), (70, 997402), (98, 712430), (140, 498701), (191, 365540), (196, 356215), (245, 284972), (373, 187180), (382, 182770), (490, 142486), (746, 93590), (764, 91385), (955, 73108), (980, 71243), (1337, 52220), (1492, 46795), (1865, 37436), (1910, 36554), (2611, 26740), (2674, 26110), (3730, 18718), (3820, 18277), (5222, 13370), (5348, 13055), (6685, 10444), (7460, 9359)]