420816620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 1043159040

約数和(自身を除く): 622342420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 167, 205, 287, 334, 410, 439, 574, 668, 820, 835, 878, 1148, 1169, 1435, 1670, 1756, 2195, 2338, 2870, 3073, 3340, 4390, 4676, 5740, 5845, 6146, 6847, 8780, 11690, 12292, 13694, 15365, 17999, 23380, 27388, 30730, 34235, 35998, 47929, 61460, 68470, 71996, 73313, 89995, 95858, 125993, 136940, 146626, 179990, 191716, 239645, 251986, 293252, 359980, 366565, 479290, 503972, 513191, 629965, 733130, 958580, 1026382, 1259930, 1466260, 2052764, 2519860, 2565955, 3005833, 5131910, 6011666, 10263820, 12023332, 15029165, 21040831, 30058330, 42081662, 60116660, 84163324, 105204155, 210408310, 420816620]

約数ペア:

[(1, 420816620), (2, 210408310), (4, 105204155), (5, 84163324), (7, 60116660), (10, 42081662), (14, 30058330), (20, 21040831), (28, 15029165), (35, 12023332), (41, 10263820), (70, 6011666), (82, 5131910), (140, 3005833), (164, 2565955), (167, 2519860), (205, 2052764), (287, 1466260), (334, 1259930), (410, 1026382), (439, 958580), (574, 733130), (668, 629965), (820, 513191), (835, 503972), (878, 479290), (1148, 366565), (1169, 359980), (1435, 293252), (1670, 251986), (1756, 239645), (2195, 191716), (2338, 179990), (2870, 146626), (3073, 136940), (3340, 125993), (4390, 95858), (4676, 89995), (5740, 73313), (5845, 71996), (6146, 68470), (6847, 61460), (8780, 47929), (11690, 35998), (12292, 34235), (13694, 30730), (15365, 27388), (17999, 23380)]