210824980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 453418560

約数和(自身を除く): 242593580

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 830, 890, 1427, 1660, 1780, 2854, 5708, 7135, 7387, 14270, 14774, 28540, 29548, 36935, 73870, 118441, 127003, 147740, 236882, 254006, 473764, 508012, 592205, 635015, 1184410, 1270030, 2368820, 2540060, 10541249, 21082498, 42164996, 52706245, 105412490, 210824980]

約数ペア:

[(1, 210824980), (2, 105412490), (4, 52706245), (5, 42164996), (10, 21082498), (20, 10541249), (83, 2540060), (89, 2368820), (166, 1270030), (178, 1184410), (332, 635015), (356, 592205), (415, 508012), (445, 473764), (830, 254006), (890, 236882), (1427, 147740), (1660, 127003), (1780, 118441), (2854, 73870), (5708, 36935), (7135, 29548), (7387, 28540), (14270, 14774)]