320044025

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 466636800

約数和(自身を除く): 146592775

約数列:

[1, 5, 7, 25, 35, 59, 139, 175, 223, 295, 413, 695, 973, 1115, 1475, 1561, 2065, 3475, 4865, 5575, 7805, 8201, 10325, 13157, 24325, 30997, 39025, 41005, 57407, 65785, 92099, 154985, 205025, 216979, 287035, 328925, 460495, 774925, 1084895, 1435175, 1828823, 2302475, 5424475, 9144115, 12801761, 45720575, 64008805, 320044025]

約数ペア:

[(1, 320044025), (5, 64008805), (7, 45720575), (25, 12801761), (35, 9144115), (59, 5424475), (139, 2302475), (175, 1828823), (223, 1435175), (295, 1084895), (413, 774925), (695, 460495), (973, 328925), (1115, 287035), (1475, 216979), (1561, 205025), (2065, 154985), (3475, 92099), (4865, 65785), (5575, 57407), (7805, 41005), (8201, 39025), (10325, 30997), (13157, 24325)]