138137788220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5419}}^1\times {\mathrm{14321}}^1$

素因数の和:19838

約数の個数: 48

約数和(自身を含む): 293423407200

約数和(自身を除く): 155285618980

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5419, 10838, 14321, 21676, 27095, 28642, 54190, 57284, 71605, 108380, 143210, 286420, 482291, 964582, 1274569, 1929164, 2411455, 2549138, 4822910, 5098276, 6372845, 9645820, 12745690, 25491380, 77605499, 155210998, 310421996, 388027495, 776054990, 1552109980, 6906889411, 13813778822, 27627557644, 34534447055, 69068894110, 138137788220]

約数ペア:

[(1, 138137788220), (2, 69068894110), (4, 34534447055), (5, 27627557644), (10, 13813778822), (20, 6906889411), (89, 1552109980), (178, 776054990), (356, 388027495), (445, 310421996), (890, 155210998), (1780, 77605499), (5419, 25491380), (10838, 12745690), (14321, 9645820), (21676, 6372845), (27095, 5098276), (28642, 4822910), (54190, 2549138), (57284, 2411455), (71605, 1929164), (108380, 1274569), (143210, 964582), (286420, 482291)]