218686000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^2\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 120

約数和(自身を含む): 573472224

約数和(自身を除く): 354786224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 169, 200, 208, 250, 260, 325, 338, 400, 500, 520, 647, 650, 676, 845, 1000, 1040, 1294, 1300, 1352, 1625, 1690, 2000, 2588, 2600, 2704, 3235, 3250, 3380, 4225, 5176, 5200, 6470, 6500, 6760, 8411, 8450, 10352, 12940, 13000, 13520, 16175, 16822, 16900, 21125, 25880, 26000, 32350, 33644, 33800, 42055, 42250, 51760, 64700, 67288, 67600, 80875, 84110, 84500, 109343, 129400, 134576, 161750, 168220, 169000, 210275, 218686, 258800, 323500, 336440, 338000, 420550, 437372, 546715, 647000, 672880, 841100, 874744, 1051375, 1093430, 1294000, 1682200, 1749488, 2102750, 2186860, 2733575, 3364400, 4205500, 4373720, 5467150, 8411000, 8747440, 10934300, 13667875, 16822000, 21868600, 27335750, 43737200, 54671500, 109343000, 218686000]

約数ペア:

[(1, 218686000), (2, 109343000), (4, 54671500), (5, 43737200), (8, 27335750), (10, 21868600), (13, 16822000), (16, 13667875), (20, 10934300), (25, 8747440), (26, 8411000), (40, 5467150), (50, 4373720), (52, 4205500), (65, 3364400), (80, 2733575), (100, 2186860), (104, 2102750), (125, 1749488), (130, 1682200), (169, 1294000), (200, 1093430), (208, 1051375), (250, 874744), (260, 841100), (325, 672880), (338, 647000), (400, 546715), (500, 437372), (520, 420550), (647, 338000), (650, 336440), (676, 323500), (845, 258800), (1000, 218686), (1040, 210275), (1294, 169000), (1300, 168220), (1352, 161750), (1625, 134576), (1690, 129400), (2000, 109343), (2588, 84500), (2600, 84110), (2704, 80875), (3235, 67600), (3250, 67288), (3380, 64700), (4225, 51760), (5176, 42250), (5200, 42055), (6470, 33800), (6500, 33644), (6760, 32350), (8411, 26000), (8450, 25880), (10352, 21125), (12940, 16900), (13000, 16822), (13520, 16175)]