1900683785

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{54251}}^1$

素因数の和:54294

約数の個数: 48

約数和(自身を含む): 3117102912

約数和(自身を除く): 1216419127

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 385, 455, 539, 637, 715, 1001, 2695, 3185, 5005, 7007, 35035, 54251, 271255, 379757, 596761, 705263, 1898785, 2658299, 2983805, 3526315, 4177327, 4936841, 7757893, 13291495, 20886635, 24684205, 29241289, 34557887, 38789465, 54305251, 146206445, 172789435, 271526255, 380136757, 1900683785]

約数ペア:

[(1, 1900683785), (5, 380136757), (7, 271526255), (11, 172789435), (13, 146206445), (35, 54305251), (49, 38789465), (55, 34557887), (65, 29241289), (77, 24684205), (91, 20886635), (143, 13291495), (245, 7757893), (385, 4936841), (455, 4177327), (539, 3526315), (637, 2983805), (715, 2658299), (1001, 1898785), (2695, 705263), (3185, 596761), (5005, 379757), (7007, 271255), (35035, 54251)]