2019907175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1409}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 2951998560

約数和(自身を除く): 932091385

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 401, 715, 1409, 2005, 3575, 4411, 5213, 7045, 10025, 15499, 18317, 22055, 26065, 35225, 57343, 77495, 91585, 110275, 130325, 201487, 286715, 387475, 457925, 565009, 1007435, 1433575, 2825045, 5037175, 6215099, 7345117, 14125225, 31075495, 36725585, 80796287, 155377475, 183627925, 403981435, 2019907175]

約数ペア:

[(1, 2019907175), (5, 403981435), (11, 183627925), (13, 155377475), (25, 80796287), (55, 36725585), (65, 31075495), (143, 14125225), (275, 7345117), (325, 6215099), (401, 5037175), (715, 2825045), (1409, 1433575), (2005, 1007435), (3575, 565009), (4411, 457925), (5213, 387475), (7045, 286715), (10025, 201487), (15499, 130325), (18317, 110275), (22055, 91585), (26065, 77495), (35225, 57343)]