205329040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{983}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 547607808

約数和(自身を除く): 342278768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 373, 560, 746, 983, 1492, 1865, 1966, 2611, 2984, 3730, 3932, 4915, 5222, 5968, 6881, 7460, 7864, 9830, 10444, 13055, 13762, 14920, 15728, 19660, 20888, 26110, 27524, 29840, 34405, 39320, 41776, 52220, 55048, 68810, 78640, 104440, 110096, 137620, 208880, 275240, 366659, 550480, 733318, 1466636, 1833295, 2566613, 2933272, 3666590, 5133226, 5866544, 7333180, 10266452, 12833065, 14666360, 20532904, 25666130, 29332720, 41065808, 51332260, 102664520, 205329040]

約数ペア:

[(1, 205329040), (2, 102664520), (4, 51332260), (5, 41065808), (7, 29332720), (8, 25666130), (10, 20532904), (14, 14666360), (16, 12833065), (20, 10266452), (28, 7333180), (35, 5866544), (40, 5133226), (56, 3666590), (70, 2933272), (80, 2566613), (112, 1833295), (140, 1466636), (280, 733318), (373, 550480), (560, 366659), (746, 275240), (983, 208880), (1492, 137620), (1865, 110096), (1966, 104440), (2611, 78640), (2984, 68810), (3730, 55048), (3932, 52220), (4915, 41776), (5222, 39320), (5968, 34405), (6881, 29840), (7460, 27524), (7864, 26110), (9830, 20888), (10444, 19660), (13055, 15728), (13762, 14920)]