212738120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24509}}^1$

素因数の和:24558

約数の個数: 64

約数和(自身を含む): 564710400

約数和(自身を除く): 351972280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 24509, 49018, 98036, 122545, 171563, 196072, 245090, 343126, 490180, 686252, 759779, 857815, 980360, 1372504, 1519558, 1715630, 3039116, 3431260, 3798895, 5318453, 6078232, 6862520, 7597790, 10636906, 15195580, 21273812, 26592265, 30391160, 42547624, 53184530, 106369060, 212738120]

約数ペア:

[(1, 212738120), (2, 106369060), (4, 53184530), (5, 42547624), (7, 30391160), (8, 26592265), (10, 21273812), (14, 15195580), (20, 10636906), (28, 7597790), (31, 6862520), (35, 6078232), (40, 5318453), (56, 3798895), (62, 3431260), (70, 3039116), (124, 1715630), (140, 1519558), (155, 1372504), (217, 980360), (248, 857815), (280, 759779), (310, 686252), (434, 490180), (620, 343126), (868, 245090), (1085, 196072), (1240, 171563), (1736, 122545), (2170, 98036), (4340, 49018), (8680, 24509)]