118520900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{641}}^1$

素因数の和:741

約数の個数: 54

約数和(自身を含む): 263721402

約数和(自身を除く): 145200502

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 641, 860, 1075, 1282, 1849, 2150, 2564, 3205, 3698, 4300, 6410, 7396, 9245, 12820, 16025, 18490, 27563, 32050, 36980, 46225, 55126, 64100, 92450, 110252, 137815, 184900, 275630, 551260, 689075, 1185209, 1378150, 2370418, 2756300, 4740836, 5926045, 11852090, 23704180, 29630225, 59260450, 118520900]

約数ペア:

[(1, 118520900), (2, 59260450), (4, 29630225), (5, 23704180), (10, 11852090), (20, 5926045), (25, 4740836), (43, 2756300), (50, 2370418), (86, 1378150), (100, 1185209), (172, 689075), (215, 551260), (430, 275630), (641, 184900), (860, 137815), (1075, 110252), (1282, 92450), (1849, 64100), (2150, 55126), (2564, 46225), (3205, 36980), (3698, 32050), (4300, 27563), (6410, 18490), (7396, 16025), (9245, 12820)]