278046680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 640936800

約数和(自身を除く): 362890120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 89, 166, 178, 332, 356, 415, 445, 664, 712, 830, 890, 941, 1660, 1780, 1882, 3320, 3560, 3764, 4705, 7387, 7528, 9410, 14774, 18820, 29548, 36935, 37640, 59096, 73870, 78103, 83749, 147740, 156206, 167498, 295480, 312412, 334996, 390515, 418745, 624824, 669992, 781030, 837490, 1562060, 1674980, 3124120, 3349960, 6951167, 13902334, 27804668, 34755835, 55609336, 69511670, 139023340, 278046680]

約数ペア:

[(1, 278046680), (2, 139023340), (4, 69511670), (5, 55609336), (8, 34755835), (10, 27804668), (20, 13902334), (40, 6951167), (83, 3349960), (89, 3124120), (166, 1674980), (178, 1562060), (332, 837490), (356, 781030), (415, 669992), (445, 624824), (664, 418745), (712, 390515), (830, 334996), (890, 312412), (941, 295480), (1660, 167498), (1780, 156206), (1882, 147740), (3320, 83749), (3560, 78103), (3764, 73870), (4705, 59096), (7387, 37640), (7528, 36935), (9410, 29548), (14774, 18820)]