29869980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71119}}^1$

素因数の和:71138

約数の個数: 48

約数和(自身を含む): 95585280

約数和(自身を除く): 65715300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 71119, 142238, 213357, 284476, 355595, 426714, 497833, 711190, 853428, 995666, 1066785, 1422380, 1493499, 1991332, 2133570, 2489165, 2986998, 4267140, 4978330, 5973996, 7467495, 9956660, 14934990, 29869980]

約数ペア:

[(1, 29869980), (2, 14934990), (3, 9956660), (4, 7467495), (5, 5973996), (6, 4978330), (7, 4267140), (10, 2986998), (12, 2489165), (14, 2133570), (15, 1991332), (20, 1493499), (21, 1422380), (28, 1066785), (30, 995666), (35, 853428), (42, 711190), (60, 497833), (70, 426714), (84, 355595), (105, 284476), (140, 213357), (210, 142238), (420, 71119)]