201619782420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{985723}}^1$

素因数の和:986229

約数の個数: 96

約数和(自身を含む): 646508771328

約数和(自身を除く): 444888988908

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, 487, 974, 1461, 1948, 2435, 2922, 3409, 4870, 5844, 6818, 7305, 9740, 10227, 13636, 14610, 17045, 20454, 29220, 34090, 40908, 51135, 68180, 102270, 204540, 985723, 1971446, 2957169, 3942892, 4928615, 5914338, 6900061, 9857230, 11828676, 13800122, 14785845, 19714460, 20700183, 27600244, 29571690, 34500305, 41400366, 59143380, 69000610, 82800732, 103500915, 138001220, 207001830, 414003660, 480047101, 960094202, 1440141303, 1920188404, 2400235505, 2880282606, 3360329707, 4800471010, 5760565212, 6720659414, 7200706515, 9600942020, 10080989121, 13441318828, 14401413030, 16801648535, 20161978242, 28802826060, 33603297070, 40323956484, 50404945605, 67206594140, 100809891210, 201619782420]

約数ペア:

[(1, 201619782420), (2, 100809891210), (3, 67206594140), (4, 50404945605), (5, 40323956484), (6, 33603297070), (7, 28802826060), (10, 20161978242), (12, 16801648535), (14, 14401413030), (15, 13441318828), (20, 10080989121), (21, 9600942020), (28, 7200706515), (30, 6720659414), (35, 5760565212), (42, 4800471010), (60, 3360329707), (70, 2880282606), (84, 2400235505), (105, 1920188404), (140, 1440141303), (210, 960094202), (420, 480047101), (487, 414003660), (974, 207001830), (1461, 138001220), (1948, 103500915), (2435, 82800732), (2922, 69000610), (3409, 59143380), (4870, 41400366), (5844, 34500305), (6818, 29571690), (7305, 27600244), (9740, 20700183), (10227, 19714460), (13636, 14785845), (14610, 13800122), (17045, 11828676), (20454, 9857230), (29220, 6900061), (34090, 5914338), (40908, 4928615), (51135, 3942892), (68180, 2957169), (102270, 1971446), (204540, 985723)]