2488500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{79}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 9085440

約数和(自身を除く): 6596940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 79, 84, 90, 100, 105, 125, 126, 140, 150, 158, 175, 180, 210, 225, 237, 250, 252, 300, 315, 316, 350, 375, 395, 420, 450, 474, 500, 525, 553, 630, 700, 711, 750, 790, 875, 900, 948, 1050, 1106, 1125, 1185, 1260, 1422, 1500, 1575, 1580, 1659, 1750, 1975, 2100, 2212, 2250, 2370, 2625, 2765, 2844, 3150, 3318, 3500, 3555, 3950, 4500, 4740, 4977, 5250, 5530, 5925, 6300, 6636, 7110, 7875, 7900, 8295, 9875, 9954, 10500, 11060, 11850, 13825, 14220, 15750, 16590, 17775, 19750, 19908, 23700, 24885, 27650, 29625, 31500, 33180, 35550, 39500, 41475, 49770, 55300, 59250, 69125, 71100, 82950, 88875, 99540, 118500, 124425, 138250, 165900, 177750, 207375, 248850, 276500, 355500, 414750, 497700, 622125, 829500, 1244250, 2488500]

約数ペア:

[(1, 2488500), (2, 1244250), (3, 829500), (4, 622125), (5, 497700), (6, 414750), (7, 355500), (9, 276500), (10, 248850), (12, 207375), (14, 177750), (15, 165900), (18, 138250), (20, 124425), (21, 118500), (25, 99540), (28, 88875), (30, 82950), (35, 71100), (36, 69125), (42, 59250), (45, 55300), (50, 49770), (60, 41475), (63, 39500), (70, 35550), (75, 33180), (79, 31500), (84, 29625), (90, 27650), (100, 24885), (105, 23700), (125, 19908), (126, 19750), (140, 17775), (150, 16590), (158, 15750), (175, 14220), (180, 13825), (210, 11850), (225, 11060), (237, 10500), (250, 9954), (252, 9875), (300, 8295), (315, 7900), (316, 7875), (350, 7110), (375, 6636), (395, 6300), (420, 5925), (450, 5530), (474, 5250), (500, 4977), (525, 4740), (553, 4500), (630, 3950), (700, 3555), (711, 3500), (750, 3318), (790, 3150), (875, 2844), (900, 2765), (948, 2625), (1050, 2370), (1106, 2250), (1125, 2212), (1185, 2100), (1260, 1975), (1422, 1750), (1500, 1659), (1575, 1580)]