28098420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 90720000

約数和(自身を除く): 62621580

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, 149, 210, 298, 420, 447, 449, 596, 745, 894, 898, 1043, 1347, 1490, 1788, 1796, 2086, 2235, 2245, 2694, 2980, 3129, 3143, 4172, 4470, 4490, 5215, 5388, 6258, 6286, 6735, 8940, 8980, 9429, 10430, 12516, 12572, 13470, 15645, 15715, 18858, 20860, 26940, 31290, 31430, 37716, 47145, 62580, 62860, 66901, 94290, 133802, 188580, 200703, 267604, 334505, 401406, 468307, 669010, 802812, 936614, 1003515, 1338020, 1404921, 1873228, 2007030, 2341535, 2809842, 4014060, 4683070, 5619684, 7024605, 9366140, 14049210, 28098420]

約数ペア:

[(1, 28098420), (2, 14049210), (3, 9366140), (4, 7024605), (5, 5619684), (6, 4683070), (7, 4014060), (10, 2809842), (12, 2341535), (14, 2007030), (15, 1873228), (20, 1404921), (21, 1338020), (28, 1003515), (30, 936614), (35, 802812), (42, 669010), (60, 468307), (70, 401406), (84, 334505), (105, 267604), (140, 200703), (149, 188580), (210, 133802), (298, 94290), (420, 66901), (447, 62860), (449, 62580), (596, 47145), (745, 37716), (894, 31430), (898, 31290), (1043, 26940), (1347, 20860), (1490, 18858), (1788, 15715), (1796, 15645), (2086, 13470), (2235, 12572), (2245, 12516), (2694, 10430), (2980, 9429), (3129, 8980), (3143, 8940), (4172, 6735), (4470, 6286), (4490, 6258), (5215, 5388)]