138684980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58271}}^1$

素因数の和:58304

約数の個数: 48

約数和(自身を含む): 352429056

約数和(自身を除く): 213744076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 58271, 116542, 233084, 291355, 407897, 582710, 815794, 990607, 1165420, 1631588, 1981214, 2039485, 3962428, 4078970, 4953035, 6934249, 8157940, 9906070, 13868498, 19812140, 27736996, 34671245, 69342490, 138684980]

約数ペア:

[(1, 138684980), (2, 69342490), (4, 34671245), (5, 27736996), (7, 19812140), (10, 13868498), (14, 9906070), (17, 8157940), (20, 6934249), (28, 4953035), (34, 4078970), (35, 3962428), (68, 2039485), (70, 1981214), (85, 1631588), (119, 1165420), (140, 990607), (170, 815794), (238, 582710), (340, 407897), (476, 291355), (595, 233084), (1190, 116542), (2380, 58271)]