142757780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 346187520

約数和(自身を除く): 203429740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 89, 92, 110, 115, 178, 220, 230, 253, 317, 356, 445, 460, 506, 634, 890, 979, 1012, 1265, 1268, 1585, 1780, 1958, 2047, 2530, 3170, 3487, 3916, 4094, 4895, 5060, 6340, 6974, 7291, 8188, 9790, 10235, 13948, 14582, 17435, 19580, 20470, 22517, 28213, 29164, 34870, 36455, 40940, 45034, 56426, 69740, 72910, 80201, 90068, 112585, 112852, 141065, 145820, 160402, 225170, 282130, 310343, 320804, 401005, 450340, 564260, 620686, 648899, 802010, 1241372, 1297798, 1551715, 1604020, 2595596, 3103430, 3244495, 6206860, 6488990, 7137889, 12977980, 14275778, 28551556, 35689445, 71378890, 142757780]

約数ペア:

[(1, 142757780), (2, 71378890), (4, 35689445), (5, 28551556), (10, 14275778), (11, 12977980), (20, 7137889), (22, 6488990), (23, 6206860), (44, 3244495), (46, 3103430), (55, 2595596), (89, 1604020), (92, 1551715), (110, 1297798), (115, 1241372), (178, 802010), (220, 648899), (230, 620686), (253, 564260), (317, 450340), (356, 401005), (445, 320804), (460, 310343), (506, 282130), (634, 225170), (890, 160402), (979, 145820), (1012, 141065), (1265, 112852), (1268, 112585), (1585, 90068), (1780, 80201), (1958, 72910), (2047, 69740), (2530, 56426), (3170, 45034), (3487, 40940), (3916, 36455), (4094, 34870), (4895, 29164), (5060, 28213), (6340, 22517), (6974, 20470), (7291, 19580), (8188, 17435), (9790, 14582), (10235, 13948)]