425601320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1867}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 988545600

約数和(自身を除く): 562944280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 139, 164, 205, 278, 328, 410, 556, 695, 820, 1112, 1390, 1640, 1867, 2780, 3734, 5560, 5699, 7468, 9335, 11398, 14936, 18670, 22796, 28495, 37340, 45592, 56990, 74680, 76547, 113980, 153094, 227960, 259513, 306188, 382735, 519026, 612376, 765470, 1038052, 1297565, 1530940, 2076104, 2595130, 3061880, 5190260, 10380520, 10640033, 21280066, 42560132, 53200165, 85120264, 106400330, 212800660, 425601320]

約数ペア:

[(1, 425601320), (2, 212800660), (4, 106400330), (5, 85120264), (8, 53200165), (10, 42560132), (20, 21280066), (40, 10640033), (41, 10380520), (82, 5190260), (139, 3061880), (164, 2595130), (205, 2076104), (278, 1530940), (328, 1297565), (410, 1038052), (556, 765470), (695, 612376), (820, 519026), (1112, 382735), (1390, 306188), (1640, 259513), (1867, 227960), (2780, 153094), (3734, 113980), (5560, 76547), (5699, 74680), (7468, 56990), (9335, 45592), (11398, 37340), (14936, 28495), (18670, 22796)]