74804240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 206861760

約数和(自身を除く): 132057520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 139, 140, 155, 217, 248, 278, 280, 310, 434, 496, 556, 560, 620, 695, 868, 961, 973, 1085, 1112, 1240, 1390, 1736, 1922, 1946, 2170, 2224, 2480, 2780, 3472, 3844, 3892, 4309, 4340, 4805, 4865, 5560, 6727, 7688, 7784, 8618, 8680, 9610, 9730, 11120, 13454, 15376, 15568, 17236, 17360, 19220, 19460, 21545, 26908, 30163, 33635, 34472, 38440, 38920, 43090, 53816, 60326, 67270, 68944, 76880, 77840, 86180, 107632, 120652, 133579, 134540, 150815, 172360, 241304, 267158, 269080, 301630, 344720, 482608, 534316, 538160, 603260, 667895, 935053, 1068632, 1206520, 1335790, 1870106, 2137264, 2413040, 2671580, 3740212, 4675265, 5343160, 7480424, 9350530, 10686320, 14960848, 18701060, 37402120, 74804240]

約数ペア:

[(1, 74804240), (2, 37402120), (4, 18701060), (5, 14960848), (7, 10686320), (8, 9350530), (10, 7480424), (14, 5343160), (16, 4675265), (20, 3740212), (28, 2671580), (31, 2413040), (35, 2137264), (40, 1870106), (56, 1335790), (62, 1206520), (70, 1068632), (80, 935053), (112, 667895), (124, 603260), (139, 538160), (140, 534316), (155, 482608), (217, 344720), (248, 301630), (278, 269080), (280, 267158), (310, 241304), (434, 172360), (496, 150815), (556, 134540), (560, 133579), (620, 120652), (695, 107632), (868, 86180), (961, 77840), (973, 76880), (1085, 68944), (1112, 67270), (1240, 60326), (1390, 53816), (1736, 43090), (1922, 38920), (1946, 38440), (2170, 34472), (2224, 33635), (2480, 30163), (2780, 26908), (3472, 21545), (3844, 19460), (3892, 19220), (4309, 17360), (4340, 17236), (4805, 15568), (4865, 15376), (5560, 13454), (6727, 11120), (7688, 9730), (7784, 9610), (8618, 8680)]