408078140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{1567}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 889056000

約数和(自身を除く): 480977860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 449, 580, 898, 1567, 1796, 2245, 3134, 4490, 6268, 7835, 8980, 13021, 15670, 26042, 31340, 45443, 52084, 65105, 90886, 130210, 181772, 227215, 260420, 454430, 703583, 908860, 1407166, 2814332, 3517915, 7035830, 14071660, 20403907, 40807814, 81615628, 102019535, 204039070, 408078140]

約数ペア:

[(1, 408078140), (2, 204039070), (4, 102019535), (5, 81615628), (10, 40807814), (20, 20403907), (29, 14071660), (58, 7035830), (116, 3517915), (145, 2814332), (290, 1407166), (449, 908860), (580, 703583), (898, 454430), (1567, 260420), (1796, 227215), (2245, 181772), (3134, 130210), (4490, 90886), (6268, 65105), (7835, 52084), (8980, 45443), (13021, 31340), (15670, 26042)]