72814175

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 110707200

約数和(自身を除く): 37893025

約数列:

[1, 5, 7, 19, 25, 35, 61, 95, 133, 175, 305, 359, 427, 475, 665, 1159, 1525, 1795, 2135, 2513, 3325, 5795, 6821, 8113, 8975, 10675, 12565, 21899, 28975, 34105, 40565, 47747, 62825, 109495, 153293, 170525, 202825, 238735, 416081, 547475, 766465, 1193675, 2080405, 2912567, 3832325, 10402025, 14562835, 72814175]

約数ペア:

[(1, 72814175), (5, 14562835), (7, 10402025), (19, 3832325), (25, 2912567), (35, 2080405), (61, 1193675), (95, 766465), (133, 547475), (175, 416081), (305, 238735), (359, 202825), (427, 170525), (475, 153293), (665, 109495), (1159, 62825), (1525, 47747), (1795, 40565), (2135, 34105), (2513, 28975), (3325, 21899), (5795, 12565), (6821, 10675), (8113, 8975)]