149696240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17167}}^1$

素因数の和:17289

約数の個数: 40

約数和(自身を含む): 351257280

約数和(自身を除く): 201561040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 17167, 34334, 68668, 85835, 137336, 171670, 274672, 343340, 686680, 1373360, 1871203, 3742406, 7484812, 9356015, 14969624, 18712030, 29939248, 37424060, 74848120, 149696240]

約数ペア:

[(1, 149696240), (2, 74848120), (4, 37424060), (5, 29939248), (8, 18712030), (10, 14969624), (16, 9356015), (20, 7484812), (40, 3742406), (80, 1871203), (109, 1373360), (218, 686680), (436, 343340), (545, 274672), (872, 171670), (1090, 137336), (1744, 85835), (2180, 68668), (4360, 34334), (8720, 17167)]