30820000

素因数分解:

$2^5\times 5^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 120

約数和(自身を含む): 80299296

約数和(自身を除く): 49479296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 67, 80, 92, 100, 115, 125, 134, 160, 184, 200, 230, 250, 268, 335, 368, 400, 460, 500, 536, 575, 625, 670, 736, 800, 920, 1000, 1072, 1150, 1250, 1340, 1541, 1675, 1840, 2000, 2144, 2300, 2500, 2680, 2875, 3082, 3350, 3680, 4000, 4600, 5000, 5360, 5750, 6164, 6700, 7705, 8375, 9200, 10000, 10720, 11500, 12328, 13400, 14375, 15410, 16750, 18400, 20000, 23000, 24656, 26800, 28750, 30820, 33500, 38525, 41875, 46000, 49312, 53600, 57500, 61640, 67000, 77050, 83750, 92000, 115000, 123280, 134000, 154100, 167500, 192625, 230000, 246560, 268000, 308200, 335000, 385250, 460000, 616400, 670000, 770500, 963125, 1232800, 1340000, 1541000, 1926250, 3082000, 3852500, 6164000, 7705000, 15410000, 30820000]

約数ペア:

[(1, 30820000), (2, 15410000), (4, 7705000), (5, 6164000), (8, 3852500), (10, 3082000), (16, 1926250), (20, 1541000), (23, 1340000), (25, 1232800), (32, 963125), (40, 770500), (46, 670000), (50, 616400), (67, 460000), (80, 385250), (92, 335000), (100, 308200), (115, 268000), (125, 246560), (134, 230000), (160, 192625), (184, 167500), (200, 154100), (230, 134000), (250, 123280), (268, 115000), (335, 92000), (368, 83750), (400, 77050), (460, 67000), (500, 61640), (536, 57500), (575, 53600), (625, 49312), (670, 46000), (736, 41875), (800, 38525), (920, 33500), (1000, 30820), (1072, 28750), (1150, 26800), (1250, 24656), (1340, 23000), (1541, 20000), (1675, 18400), (1840, 16750), (2000, 15410), (2144, 14375), (2300, 13400), (2500, 12328), (2680, 11500), (2875, 10720), (3082, 10000), (3350, 9200), (3680, 8375), (4000, 7705), (4600, 6700), (5000, 6164), (5360, 5750)]