280438424

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 611573760

約数和(自身を除く): 331135336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 167, 191, 314, 334, 382, 628, 668, 764, 1099, 1169, 1256, 1336, 1337, 1528, 2198, 2338, 2674, 4396, 4676, 5348, 8792, 9352, 10696, 26219, 29987, 31897, 52438, 59974, 63794, 104876, 119948, 127588, 183533, 209752, 209909, 223279, 239896, 255176, 367066, 419818, 446558, 734132, 839636, 893116, 1468264, 1679272, 1786232, 5007829, 10015658, 20031316, 35054803, 40062632, 70109606, 140219212, 280438424]

約数ペア:

[(1, 280438424), (2, 140219212), (4, 70109606), (7, 40062632), (8, 35054803), (14, 20031316), (28, 10015658), (56, 5007829), (157, 1786232), (167, 1679272), (191, 1468264), (314, 893116), (334, 839636), (382, 734132), (628, 446558), (668, 419818), (764, 367066), (1099, 255176), (1169, 239896), (1256, 223279), (1336, 209909), (1337, 209752), (1528, 183533), (2198, 127588), (2338, 119948), (2674, 104876), (4396, 63794), (4676, 59974), (5348, 52438), (8792, 31897), (9352, 29987), (10696, 26219)]