77981260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{853}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 187661376

約数和(自身を除く): 109680116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 853, 1306, 1706, 2612, 3265, 3412, 4265, 4571, 5971, 6530, 8530, 9142, 11942, 13060, 17060, 18284, 22855, 23884, 29855, 45710, 59710, 91420, 119420, 557009, 1114018, 2228036, 2785045, 3899063, 5570090, 7798126, 11140180, 15596252, 19495315, 38990630, 77981260]

約数ペア:

[(1, 77981260), (2, 38990630), (4, 19495315), (5, 15596252), (7, 11140180), (10, 7798126), (14, 5570090), (20, 3899063), (28, 2785045), (35, 2228036), (70, 1114018), (140, 557009), (653, 119420), (853, 91420), (1306, 59710), (1706, 45710), (2612, 29855), (3265, 23884), (3412, 22855), (4265, 18284), (4571, 17060), (5971, 13060), (6530, 11942), (8530, 9142)]