1979521110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{448871}}^1$

素因数の和:448898

約数の個数: 72

約数和(自身を含む): 5987054736

約数和(自身を除く): 4007533626

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 448871, 897742, 1346613, 2244355, 2693226, 3142097, 4039839, 4488710, 6284194, 6733065, 8079678, 9426291, 13466130, 15710485, 18852582, 20199195, 21994679, 28278873, 31420970, 40398390, 43989358, 47131455, 56557746, 65984037, 94262910, 109973395, 131968074, 141394365, 197952111, 219946790, 282788730, 329920185, 395904222, 659840370, 989760555, 1979521110]

約数ペア:

[(1, 1979521110), (2, 989760555), (3, 659840370), (5, 395904222), (6, 329920185), (7, 282788730), (9, 219946790), (10, 197952111), (14, 141394365), (15, 131968074), (18, 109973395), (21, 94262910), (30, 65984037), (35, 56557746), (42, 47131455), (45, 43989358), (49, 40398390), (63, 31420970), (70, 28278873), (90, 21994679), (98, 20199195), (105, 18852582), (126, 15710485), (147, 13466130), (210, 9426291), (245, 8079678), (294, 6733065), (315, 6284194), (441, 4488710), (490, 4039839), (630, 3142097), (735, 2693226), (882, 2244355), (1470, 1346613), (2205, 897742), (4410, 448871)]