72177980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73651}}^1$

素因数の和:73674

約数の個数: 36

約数和(自身を含む): 176322888

約数和(自身を除く): 104144908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73651, 147302, 294604, 368255, 515557, 736510, 1031114, 1473020, 2062228, 2577785, 3608899, 5155570, 7217798, 10311140, 14435596, 18044495, 36088990, 72177980]

約数ペア:

[(1, 72177980), (2, 36088990), (4, 18044495), (5, 14435596), (7, 10311140), (10, 7217798), (14, 5155570), (20, 3608899), (28, 2577785), (35, 2062228), (49, 1473020), (70, 1031114), (98, 736510), (140, 515557), (196, 368255), (245, 294604), (490, 147302), (980, 73651)]