90502400

素因数分解:

$2^8\times 5^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 108

約数和(自身を含む): 228110400

約数和(自身を除く): 137608000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 179, 200, 256, 316, 320, 358, 395, 400, 632, 640, 716, 790, 800, 895, 1264, 1280, 1432, 1580, 1600, 1790, 1975, 2528, 2864, 3160, 3200, 3580, 3950, 4475, 5056, 5728, 6320, 6400, 7160, 7900, 8950, 10112, 11456, 12640, 14141, 14320, 15800, 17900, 20224, 22912, 25280, 28282, 28640, 31600, 35800, 45824, 50560, 56564, 57280, 63200, 70705, 71600, 101120, 113128, 114560, 126400, 141410, 143200, 226256, 229120, 252800, 282820, 286400, 353525, 452512, 505600, 565640, 572800, 707050, 905024, 1131280, 1145600, 1414100, 1810048, 2262560, 2828200, 3620096, 4525120, 5656400, 9050240, 11312800, 18100480, 22625600, 45251200, 90502400]

約数ペア:

[(1, 90502400), (2, 45251200), (4, 22625600), (5, 18100480), (8, 11312800), (10, 9050240), (16, 5656400), (20, 4525120), (25, 3620096), (32, 2828200), (40, 2262560), (50, 1810048), (64, 1414100), (79, 1145600), (80, 1131280), (100, 905024), (128, 707050), (158, 572800), (160, 565640), (179, 505600), (200, 452512), (256, 353525), (316, 286400), (320, 282820), (358, 252800), (395, 229120), (400, 226256), (632, 143200), (640, 141410), (716, 126400), (790, 114560), (800, 113128), (895, 101120), (1264, 71600), (1280, 70705), (1432, 63200), (1580, 57280), (1600, 56564), (1790, 50560), (1975, 45824), (2528, 35800), (2864, 31600), (3160, 28640), (3200, 28282), (3580, 25280), (3950, 22912), (4475, 20224), (5056, 17900), (5728, 15800), (6320, 14320), (6400, 14141), (7160, 12640), (7900, 11456), (8950, 10112)]