919975540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1373

約数の個数: 96

約数和(自身を含む): 2185666560

約数和(自身を除く): 1265691020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 79, 86, 110, 158, 172, 215, 220, 316, 395, 430, 473, 790, 860, 869, 946, 1231, 1580, 1738, 1892, 2365, 2462, 3397, 3476, 4345, 4730, 4924, 6155, 6794, 8690, 9460, 12310, 13541, 13588, 16985, 17380, 24620, 27082, 33970, 37367, 52933, 54164, 67705, 67940, 74734, 97249, 105866, 135410, 149468, 186835, 194498, 211732, 264665, 270820, 373670, 388996, 486245, 529330, 582263, 747340, 972490, 1058660, 1069739, 1164526, 1944980, 2139478, 2329052, 2911315, 4181707, 4278956, 5348695, 5822630, 8363414, 10697390, 11645260, 16726828, 20908535, 21394780, 41817070, 45998777, 83634140, 91997554, 183995108, 229993885, 459987770, 919975540]

約数ペア:

[(1, 919975540), (2, 459987770), (4, 229993885), (5, 183995108), (10, 91997554), (11, 83634140), (20, 45998777), (22, 41817070), (43, 21394780), (44, 20908535), (55, 16726828), (79, 11645260), (86, 10697390), (110, 8363414), (158, 5822630), (172, 5348695), (215, 4278956), (220, 4181707), (316, 2911315), (395, 2329052), (430, 2139478), (473, 1944980), (790, 1164526), (860, 1069739), (869, 1058660), (946, 972490), (1231, 747340), (1580, 582263), (1738, 529330), (1892, 486245), (2365, 388996), (2462, 373670), (3397, 270820), (3476, 264665), (4345, 211732), (4730, 194498), (4924, 186835), (6155, 149468), (6794, 135410), (8690, 105866), (9460, 97249), (12310, 74734), (13541, 67940), (13588, 67705), (16985, 54164), (17380, 52933), (24620, 37367), (27082, 33970)]