15697931620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{288247}}^1$

素因数の和:288652

約数の個数: 48

約数和(自身を含む): 37772017920

約数和(自身を除く): 22074086300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 7780, 10892, 13615, 27230, 54460, 288247, 576494, 1152988, 1441235, 2017729, 2882470, 4035458, 5764940, 8070916, 10088645, 20177290, 40354580, 112128083, 224256166, 448512332, 560640415, 784896581, 1121280830, 1569793162, 2242561660, 3139586324, 3924482905, 7848965810, 15697931620]

約数ペア:

[(1, 15697931620), (2, 7848965810), (4, 3924482905), (5, 3139586324), (7, 2242561660), (10, 1569793162), (14, 1121280830), (20, 784896581), (28, 560640415), (35, 448512332), (70, 224256166), (140, 112128083), (389, 40354580), (778, 20177290), (1556, 10088645), (1945, 8070916), (2723, 5764940), (3890, 4035458), (5446, 2882470), (7780, 2017729), (10892, 1441235), (13615, 1152988), (27230, 576494), (54460, 288247)]