197794400

素因数分解:

$2^5\times 5^2\times {\mathrm{433}}^1\times {\mathrm{571}}^1$

素因数の和:1024

約数の個数: 72

約数和(自身を含む): 484828344

約数和(自身を除く): 287033944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 433, 571, 800, 866, 1142, 1732, 2165, 2284, 2855, 3464, 4330, 4568, 5710, 6928, 8660, 9136, 10825, 11420, 13856, 14275, 17320, 18272, 21650, 22840, 28550, 34640, 43300, 45680, 57100, 69280, 86600, 91360, 114200, 173200, 228400, 247243, 346400, 456800, 494486, 988972, 1236215, 1977944, 2472430, 3955888, 4944860, 6181075, 7911776, 9889720, 12362150, 19779440, 24724300, 39558880, 49448600, 98897200, 197794400]

約数ペア:

[(1, 197794400), (2, 98897200), (4, 49448600), (5, 39558880), (8, 24724300), (10, 19779440), (16, 12362150), (20, 9889720), (25, 7911776), (32, 6181075), (40, 4944860), (50, 3955888), (80, 2472430), (100, 1977944), (160, 1236215), (200, 988972), (400, 494486), (433, 456800), (571, 346400), (800, 247243), (866, 228400), (1142, 173200), (1732, 114200), (2165, 91360), (2284, 86600), (2855, 69280), (3464, 57100), (4330, 45680), (4568, 43300), (5710, 34640), (6928, 28550), (8660, 22840), (9136, 21650), (10825, 18272), (11420, 17320), (13856, 14275)]