102205180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 287280000

約数和(自身を除く): 185074820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 380, 385, 418, 490, 499, 532, 539, 665, 770, 836, 931, 980, 998, 1045, 1078, 1330, 1463, 1540, 1862, 1996, 2090, 2156, 2495, 2660, 2695, 2926, 3493, 3724, 4180, 4655, 4990, 5390, 5489, 5852, 6986, 7315, 9310, 9481, 9980, 10241, 10780, 10978, 13972, 14630, 17465, 18620, 18962, 20482, 21956, 24451, 27445, 29260, 34930, 37924, 38423, 40964, 47405, 48902, 51205, 54890, 66367, 69860, 76846, 94810, 97804, 102410, 104291, 109780, 122255, 132734, 153692, 189620, 192115, 204820, 208582, 244510, 265468, 268961, 331835, 384230, 417164, 464569, 489020, 521455, 537922, 663670, 730037, 768460, 929138, 1042910, 1075844, 1327340, 1344805, 1460074, 1858276, 2085820, 2322845, 2689610, 2920148, 3650185, 4645690, 5110259, 5379220, 7300370, 9291380, 10220518, 14600740, 20441036, 25551295, 51102590, 102205180]

約数ペア:

[(1, 102205180), (2, 51102590), (4, 25551295), (5, 20441036), (7, 14600740), (10, 10220518), (11, 9291380), (14, 7300370), (19, 5379220), (20, 5110259), (22, 4645690), (28, 3650185), (35, 2920148), (38, 2689610), (44, 2322845), (49, 2085820), (55, 1858276), (70, 1460074), (76, 1344805), (77, 1327340), (95, 1075844), (98, 1042910), (110, 929138), (133, 768460), (140, 730037), (154, 663670), (190, 537922), (196, 521455), (209, 489020), (220, 464569), (245, 417164), (266, 384230), (308, 331835), (380, 268961), (385, 265468), (418, 244510), (490, 208582), (499, 204820), (532, 192115), (539, 189620), (665, 153692), (770, 132734), (836, 122255), (931, 109780), (980, 104291), (998, 102410), (1045, 97804), (1078, 94810), (1330, 76846), (1463, 69860), (1540, 66367), (1862, 54890), (1996, 51205), (2090, 48902), (2156, 47405), (2495, 40964), (2660, 38423), (2695, 37924), (2926, 34930), (3493, 29260), (3724, 27445), (4180, 24451), (4655, 21956), (4990, 20482), (5390, 18962), (5489, 18620), (5852, 17465), (6986, 14630), (7315, 13972), (9310, 10978), (9481, 10780), (9980, 10241)]