2315048420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{2029}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 4926322800

約数和(自身を除く): 2611274380

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 641, 890, 1282, 1780, 2029, 2564, 3205, 4058, 6410, 8116, 10145, 12820, 20290, 40580, 57049, 114098, 180581, 228196, 285245, 361162, 570490, 722324, 902905, 1140980, 1300589, 1805810, 2601178, 3611620, 5202356, 6502945, 13005890, 26011780, 115752421, 231504842, 463009684, 578762105, 1157524210, 2315048420]

約数ペア:

[(1, 2315048420), (2, 1157524210), (4, 578762105), (5, 463009684), (10, 231504842), (20, 115752421), (89, 26011780), (178, 13005890), (356, 6502945), (445, 5202356), (641, 3611620), (890, 2601178), (1282, 1805810), (1780, 1300589), (2029, 1140980), (2564, 902905), (3205, 722324), (4058, 570490), (6410, 361162), (8116, 285245), (10145, 228196), (12820, 180581), (20290, 114098), (40580, 57049)]