201789210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6449}}^1$

素因数の和:6615

約数の個数: 64

約数和(自身を含む): 557280000

約数和(自身を除く): 355490790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 745, 894, 1043, 1490, 2086, 2235, 3129, 4470, 5215, 6258, 6449, 10430, 12898, 15645, 19347, 31290, 32245, 38694, 45143, 64490, 90286, 96735, 135429, 193470, 225715, 270858, 451430, 677145, 960901, 1354290, 1921802, 2882703, 4804505, 5765406, 6726307, 9609010, 13452614, 14413515, 20178921, 28827030, 33631535, 40357842, 67263070, 100894605, 201789210]

約数ペア:

[(1, 201789210), (2, 100894605), (3, 67263070), (5, 40357842), (6, 33631535), (7, 28827030), (10, 20178921), (14, 14413515), (15, 13452614), (21, 9609010), (30, 6726307), (35, 5765406), (42, 4804505), (70, 2882703), (105, 1921802), (149, 1354290), (210, 960901), (298, 677145), (447, 451430), (745, 270858), (894, 225715), (1043, 193470), (1490, 135429), (2086, 96735), (2235, 90286), (3129, 64490), (4470, 45143), (5215, 38694), (6258, 32245), (6449, 31290), (10430, 19347), (12898, 15645)]