7489460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 17478720

約数和(自身を除く): 9989260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 577, 590, 649, 1154, 1180, 1298, 2308, 2596, 2885, 3245, 5770, 6347, 6490, 11540, 12694, 12980, 25388, 31735, 34043, 63470, 68086, 126940, 136172, 170215, 340430, 374473, 680860, 748946, 1497892, 1872365, 3744730, 7489460]

約数ペア:

[(1, 7489460), (2, 3744730), (4, 1872365), (5, 1497892), (10, 748946), (11, 680860), (20, 374473), (22, 340430), (44, 170215), (55, 136172), (59, 126940), (110, 68086), (118, 63470), (220, 34043), (236, 31735), (295, 25388), (577, 12980), (590, 12694), (649, 11540), (1154, 6490), (1180, 6347), (1298, 5770), (2308, 3245), (2596, 2885)]