11417980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 28498176

約数和(自身を除く): 17080196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 191, 196, 244, 245, 305, 382, 427, 490, 610, 764, 854, 955, 980, 1220, 1337, 1708, 1910, 2135, 2674, 2989, 3820, 4270, 5348, 5978, 6685, 8540, 9359, 11651, 11956, 13370, 14945, 18718, 23302, 26740, 29890, 37436, 46604, 46795, 58255, 59780, 81557, 93590, 116510, 163114, 187180, 233020, 326228, 407785, 570899, 815570, 1141798, 1631140, 2283596, 2854495, 5708990, 11417980]

約数ペア:

[(1, 11417980), (2, 5708990), (4, 2854495), (5, 2283596), (7, 1631140), (10, 1141798), (14, 815570), (20, 570899), (28, 407785), (35, 326228), (49, 233020), (61, 187180), (70, 163114), (98, 116510), (122, 93590), (140, 81557), (191, 59780), (196, 58255), (244, 46795), (245, 46604), (305, 37436), (382, 29890), (427, 26740), (490, 23302), (610, 18718), (764, 14945), (854, 13370), (955, 11956), (980, 11651), (1220, 9359), (1337, 8540), (1708, 6685), (1910, 5978), (2135, 5348), (2674, 4270), (2989, 3820)]