668104220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:772

約数の個数: 144

約数和(自身を含む): 1752982560

約数和(自身を除く): 1084878340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 53, 70, 76, 95, 98, 106, 133, 140, 190, 196, 212, 245, 265, 266, 371, 380, 490, 530, 532, 665, 677, 742, 931, 980, 1007, 1060, 1330, 1354, 1484, 1855, 1862, 2014, 2597, 2660, 2708, 3385, 3710, 3724, 4028, 4655, 4739, 5035, 5194, 6770, 7049, 7420, 9310, 9478, 10070, 10388, 12863, 12985, 13540, 14098, 18620, 18956, 20140, 23695, 25726, 25970, 28196, 33173, 35245, 35881, 47390, 49343, 51452, 51940, 64315, 66346, 70490, 71762, 90041, 94780, 98686, 128630, 132692, 140980, 143524, 165865, 179405, 180082, 197372, 246715, 251167, 257260, 331730, 358810, 360164, 450205, 493430, 502334, 630287, 663460, 681739, 717620, 900410, 986860, 1004668, 1255835, 1260574, 1363478, 1758169, 1800820, 2511670, 2521148, 2726956, 3151435, 3408695, 3516338, 4772173, 5023340, 6302870, 6817390, 7032676, 8790845, 9544346, 12605740, 13634780, 17581690, 19088692, 23860865, 33405211, 35163380, 47721730, 66810422, 95443460, 133620844, 167026055, 334052110, 668104220]

約数ペア:

[(1, 668104220), (2, 334052110), (4, 167026055), (5, 133620844), (7, 95443460), (10, 66810422), (14, 47721730), (19, 35163380), (20, 33405211), (28, 23860865), (35, 19088692), (38, 17581690), (49, 13634780), (53, 12605740), (70, 9544346), (76, 8790845), (95, 7032676), (98, 6817390), (106, 6302870), (133, 5023340), (140, 4772173), (190, 3516338), (196, 3408695), (212, 3151435), (245, 2726956), (265, 2521148), (266, 2511670), (371, 1800820), (380, 1758169), (490, 1363478), (530, 1260574), (532, 1255835), (665, 1004668), (677, 986860), (742, 900410), (931, 717620), (980, 681739), (1007, 663460), (1060, 630287), (1330, 502334), (1354, 493430), (1484, 450205), (1855, 360164), (1862, 358810), (2014, 331730), (2597, 257260), (2660, 251167), (2708, 246715), (3385, 197372), (3710, 180082), (3724, 179405), (4028, 165865), (4655, 143524), (4739, 140980), (5035, 132692), (5194, 128630), (6770, 98686), (7049, 94780), (7420, 90041), (9310, 71762), (9478, 70490), (10070, 66346), (10388, 64315), (12863, 51940), (12985, 51452), (13540, 49343), (14098, 47390), (18620, 35881), (18956, 35245), (20140, 33173), (23695, 28196), (25726, 25970)]