204894400

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1722

約数の個数: 84

約数和(自身を含む): 510865120

約数和(自身を除く): 305970720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 632, 790, 800, 1264, 1580, 1600, 1621, 1975, 2528, 3160, 3242, 3950, 5056, 6320, 6484, 7900, 8105, 12640, 12968, 15800, 16210, 25280, 25936, 31600, 32420, 40525, 51872, 63200, 64840, 81050, 103744, 126400, 128059, 129680, 162100, 256118, 259360, 324200, 512236, 518720, 640295, 648400, 1024472, 1280590, 1296800, 2048944, 2561180, 2593600, 3201475, 4097888, 5122360, 6402950, 8195776, 10244720, 12805900, 20489440, 25611800, 40978880, 51223600, 102447200, 204894400]

約数ペア:

[(1, 204894400), (2, 102447200), (4, 51223600), (5, 40978880), (8, 25611800), (10, 20489440), (16, 12805900), (20, 10244720), (25, 8195776), (32, 6402950), (40, 5122360), (50, 4097888), (64, 3201475), (79, 2593600), (80, 2561180), (100, 2048944), (158, 1296800), (160, 1280590), (200, 1024472), (316, 648400), (320, 640295), (395, 518720), (400, 512236), (632, 324200), (790, 259360), (800, 256118), (1264, 162100), (1580, 129680), (1600, 128059), (1621, 126400), (1975, 103744), (2528, 81050), (3160, 64840), (3242, 63200), (3950, 51872), (5056, 40525), (6320, 32420), (6484, 31600), (7900, 25936), (8105, 25280), (12640, 16210), (12968, 15800)]