2019689980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{4217}}^1$

素因数の和:4555

約数の個数: 96

約数和(自身を含む): 5306176512

約数和(自身を除く): 3286486532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 311, 385, 622, 770, 1244, 1540, 1555, 2177, 3110, 3421, 4217, 4354, 6220, 6842, 8434, 8708, 10885, 13684, 16868, 17105, 21085, 21770, 23947, 29519, 34210, 42170, 43540, 46387, 47894, 59038, 68420, 84340, 92774, 95788, 118076, 119735, 147595, 185548, 231935, 239470, 295190, 324709, 463870, 478940, 590380, 649418, 927740, 1298836, 1311487, 1623545, 2622974, 3247090, 5245948, 6494180, 6557435, 9180409, 13114870, 14426357, 18360818, 26229740, 28852714, 36721636, 45902045, 57705428, 72131785, 91804090, 100984499, 144263570, 183608180, 201968998, 288527140, 403937996, 504922495, 1009844990, 2019689980]

約数ペア:

[(1, 2019689980), (2, 1009844990), (4, 504922495), (5, 403937996), (7, 288527140), (10, 201968998), (11, 183608180), (14, 144263570), (20, 100984499), (22, 91804090), (28, 72131785), (35, 57705428), (44, 45902045), (55, 36721636), (70, 28852714), (77, 26229740), (110, 18360818), (140, 14426357), (154, 13114870), (220, 9180409), (308, 6557435), (311, 6494180), (385, 5245948), (622, 3247090), (770, 2622974), (1244, 1623545), (1540, 1311487), (1555, 1298836), (2177, 927740), (3110, 649418), (3421, 590380), (4217, 478940), (4354, 463870), (6220, 324709), (6842, 295190), (8434, 239470), (8708, 231935), (10885, 185548), (13684, 147595), (16868, 119735), (17105, 118076), (21085, 95788), (21770, 92774), (23947, 84340), (29519, 68420), (34210, 59038), (42170, 47894), (43540, 46387)]