1211575820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{3719}}^1$

素因数の和:3927

約数の個数: 96

約数和(自身を含む): 3149798400

約数和(自身を除く): 1938222580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 179, 182, 260, 358, 364, 455, 716, 895, 910, 1253, 1790, 1820, 2327, 2506, 3580, 3719, 4654, 5012, 6265, 7438, 9308, 11635, 12530, 14876, 16289, 18595, 23270, 25060, 26033, 32578, 37190, 46540, 48347, 52066, 65156, 74380, 81445, 96694, 104132, 130165, 162890, 193388, 241735, 260330, 325780, 338429, 483470, 520660, 665701, 676858, 966940, 1331402, 1353716, 1692145, 2662804, 3328505, 3384290, 4659907, 6657010, 6768580, 8654113, 9319814, 13314020, 17308226, 18639628, 23299535, 34616452, 43270565, 46599070, 60578791, 86541130, 93198140, 121157582, 173082260, 242315164, 302893955, 605787910, 1211575820]

約数ペア:

[(1, 1211575820), (2, 605787910), (4, 302893955), (5, 242315164), (7, 173082260), (10, 121157582), (13, 93198140), (14, 86541130), (20, 60578791), (26, 46599070), (28, 43270565), (35, 34616452), (52, 23299535), (65, 18639628), (70, 17308226), (91, 13314020), (130, 9319814), (140, 8654113), (179, 6768580), (182, 6657010), (260, 4659907), (358, 3384290), (364, 3328505), (455, 2662804), (716, 1692145), (895, 1353716), (910, 1331402), (1253, 966940), (1790, 676858), (1820, 665701), (2327, 520660), (2506, 483470), (3580, 338429), (3719, 325780), (4654, 260330), (5012, 241735), (6265, 193388), (7438, 162890), (9308, 130165), (11635, 104132), (12530, 96694), (14876, 81445), (16289, 74380), (18595, 65156), (23270, 52066), (25060, 48347), (26033, 46540), (32578, 37190)]