49840120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 123120000

約数和(自身を除く): 73279880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 499, 908, 998, 1135, 1816, 1996, 2270, 2495, 2497, 3992, 4540, 4990, 4994, 5489, 9080, 9980, 9988, 10978, 12485, 19960, 19976, 21956, 24970, 27445, 43912, 49940, 54890, 99880, 109780, 113273, 219560, 226546, 453092, 566365, 906184, 1132730, 1246003, 2265460, 2492006, 4530920, 4984012, 6230015, 9968024, 12460030, 24920060, 49840120]

約数ペア:

[(1, 49840120), (2, 24920060), (4, 12460030), (5, 9968024), (8, 6230015), (10, 4984012), (11, 4530920), (20, 2492006), (22, 2265460), (40, 1246003), (44, 1132730), (55, 906184), (88, 566365), (110, 453092), (220, 226546), (227, 219560), (440, 113273), (454, 109780), (499, 99880), (908, 54890), (998, 49940), (1135, 43912), (1816, 27445), (1996, 24970), (2270, 21956), (2495, 19976), (2497, 19960), (3992, 12485), (4540, 10978), (4990, 9988), (4994, 9980), (5489, 9080)]