31592890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 36835910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 79, 145, 158, 197, 203, 290, 394, 395, 406, 553, 790, 985, 1015, 1106, 1379, 1970, 2030, 2291, 2758, 2765, 4582, 5530, 5713, 6895, 11426, 11455, 13790, 15563, 16037, 22910, 28565, 31126, 32074, 39991, 57130, 77815, 79982, 80185, 108941, 155630, 160370, 199955, 217882, 399910, 451327, 544705, 902654, 1089410, 2256635, 3159289, 4513270, 6318578, 15796445, 31592890]

約数ペア:

[(1, 31592890), (2, 15796445), (5, 6318578), (7, 4513270), (10, 3159289), (14, 2256635), (29, 1089410), (35, 902654), (58, 544705), (70, 451327), (79, 399910), (145, 217882), (158, 199955), (197, 160370), (203, 155630), (290, 108941), (394, 80185), (395, 79982), (406, 77815), (553, 57130), (790, 39991), (985, 32074), (1015, 31126), (1106, 28565), (1379, 22910), (1970, 16037), (2030, 15563), (2291, 13790), (2758, 11455), (2765, 11426), (4582, 6895), (5530, 5713)]