8889282620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{3923}}^1$

素因数の和:4107

約数の個数: 96

約数和(自身を含む): 20172499200

約数和(自身を除く): 11283216580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 89, 95, 134, 178, 190, 268, 335, 356, 380, 445, 670, 890, 1273, 1340, 1691, 1780, 2546, 3382, 3923, 5092, 5963, 6365, 6764, 7846, 8455, 11926, 12730, 15692, 16910, 19615, 23852, 25460, 29815, 33820, 39230, 59630, 74537, 78460, 113297, 119260, 149074, 226594, 262841, 298148, 349147, 372685, 453188, 525682, 566485, 698294, 745370, 1051364, 1132970, 1314205, 1396588, 1490740, 1745735, 2265940, 2628410, 3491470, 4993979, 5256820, 6633793, 6982940, 9987958, 13267586, 19975916, 23392849, 24969895, 26535172, 33168965, 46785698, 49939790, 66337930, 93571396, 99879580, 116964245, 132675860, 233928490, 444464131, 467856980, 888928262, 1777856524, 2222320655, 4444641310, 8889282620]

約数ペア:

[(1, 8889282620), (2, 4444641310), (4, 2222320655), (5, 1777856524), (10, 888928262), (19, 467856980), (20, 444464131), (38, 233928490), (67, 132675860), (76, 116964245), (89, 99879580), (95, 93571396), (134, 66337930), (178, 49939790), (190, 46785698), (268, 33168965), (335, 26535172), (356, 24969895), (380, 23392849), (445, 19975916), (670, 13267586), (890, 9987958), (1273, 6982940), (1340, 6633793), (1691, 5256820), (1780, 4993979), (2546, 3491470), (3382, 2628410), (3923, 2265940), (5092, 1745735), (5963, 1490740), (6365, 1396588), (6764, 1314205), (7846, 1132970), (8455, 1051364), (11926, 745370), (12730, 698294), (15692, 566485), (16910, 525682), (19615, 453188), (23852, 372685), (25460, 349147), (29815, 298148), (33820, 262841), (39230, 226594), (59630, 149074), (74537, 119260), (78460, 113297)]