489231680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:833

約数の個数: 168

約数和(自身を含む): 1390061736

約数和(自身を除く): 900830056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 320, 328, 392, 410, 448, 490, 560, 574, 656, 761, 784, 820, 980, 1120, 1148, 1312, 1435, 1522, 1568, 1640, 1960, 2009, 2240, 2296, 2624, 2870, 3044, 3136, 3280, 3805, 3920, 4018, 4592, 5327, 5740, 6088, 6560, 7610, 7840, 8036, 9184, 10045, 10654, 11480, 12176, 13120, 15220, 15680, 16072, 18368, 20090, 21308, 22960, 24352, 26635, 30440, 31201, 32144, 37289, 40180, 42616, 45920, 48704, 53270, 60880, 62402, 64288, 74578, 80360, 85232, 91840, 106540, 121760, 124804, 128576, 149156, 156005, 160720, 170464, 186445, 213080, 218407, 243520, 249608, 298312, 312010, 321440, 340928, 372890, 426160, 436814, 499216, 596624, 624020, 642880, 745780, 852320, 873628, 998432, 1092035, 1193248, 1248040, 1491560, 1528849, 1704640, 1747256, 1996864, 2184070, 2386496, 2496080, 2983120, 3057698, 3494512, 4368140, 4992160, 5966240, 6115396, 6989024, 7644245, 8736280, 9984320, 11932480, 12230792, 13978048, 15288490, 17472560, 24461584, 30576980, 34945120, 48923168, 61153960, 69890240, 97846336, 122307920, 244615840, 489231680]

約数ペア:

[(1, 489231680), (2, 244615840), (4, 122307920), (5, 97846336), (7, 69890240), (8, 61153960), (10, 48923168), (14, 34945120), (16, 30576980), (20, 24461584), (28, 17472560), (32, 15288490), (35, 13978048), (40, 12230792), (41, 11932480), (49, 9984320), (56, 8736280), (64, 7644245), (70, 6989024), (80, 6115396), (82, 5966240), (98, 4992160), (112, 4368140), (140, 3494512), (160, 3057698), (164, 2983120), (196, 2496080), (205, 2386496), (224, 2184070), (245, 1996864), (280, 1747256), (287, 1704640), (320, 1528849), (328, 1491560), (392, 1248040), (410, 1193248), (448, 1092035), (490, 998432), (560, 873628), (574, 852320), (656, 745780), (761, 642880), (784, 624020), (820, 596624), (980, 499216), (1120, 436814), (1148, 426160), (1312, 372890), (1435, 340928), (1522, 321440), (1568, 312010), (1640, 298312), (1960, 249608), (2009, 243520), (2240, 218407), (2296, 213080), (2624, 186445), (2870, 170464), (3044, 160720), (3136, 156005), (3280, 149156), (3805, 128576), (3920, 124804), (4018, 121760), (4592, 106540), (5327, 91840), (5740, 85232), (6088, 80360), (6560, 74578), (7610, 64288), (7840, 62402), (8036, 60880), (9184, 53270), (10045, 48704), (10654, 45920), (11480, 42616), (12176, 40180), (13120, 37289), (15220, 32144), (15680, 31201), (16072, 30440), (18368, 26635), (20090, 24352), (21308, 22960)]