16989420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2167

約数の個数: 96

約数和(自身を含む): 57254400

約数和(自身を除く): 40264980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2129, 2660, 3990, 4258, 6387, 7980, 8516, 10645, 12774, 14903, 21290, 25548, 29806, 31935, 40451, 42580, 44709, 59612, 63870, 74515, 80902, 89418, 121353, 127740, 149030, 161804, 178836, 202255, 223545, 242706, 283157, 298060, 404510, 447090, 485412, 566314, 606765, 809020, 849471, 894180, 1132628, 1213530, 1415785, 1698942, 2427060, 2831570, 3397884, 4247355, 5663140, 8494710, 16989420]

約数ペア:

[(1, 16989420), (2, 8494710), (3, 5663140), (4, 4247355), (5, 3397884), (6, 2831570), (7, 2427060), (10, 1698942), (12, 1415785), (14, 1213530), (15, 1132628), (19, 894180), (20, 849471), (21, 809020), (28, 606765), (30, 566314), (35, 485412), (38, 447090), (42, 404510), (57, 298060), (60, 283157), (70, 242706), (76, 223545), (84, 202255), (95, 178836), (105, 161804), (114, 149030), (133, 127740), (140, 121353), (190, 89418), (210, 80902), (228, 74515), (266, 63870), (285, 59612), (380, 44709), (399, 42580), (420, 40451), (532, 31935), (570, 29806), (665, 25548), (798, 21290), (1140, 14903), (1330, 12774), (1596, 10645), (1995, 8516), (2129, 7980), (2660, 6387), (3990, 4258)]