2117156920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{6131}}^1$

素因数の和:6328

約数の個数: 64

約数和(自身を含む): 4867581600

約数和(自身を除く): 2750424680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 178, 194, 356, 388, 445, 485, 712, 776, 890, 970, 1780, 1940, 3560, 3880, 6131, 8633, 12262, 17266, 24524, 30655, 34532, 43165, 49048, 61310, 69064, 86330, 122620, 172660, 245240, 345320, 545659, 594707, 1091318, 1189414, 2182636, 2378828, 2728295, 2973535, 4365272, 4757656, 5456590, 5947070, 10913180, 11894140, 21826360, 23788280, 52928923, 105857846, 211715692, 264644615, 423431384, 529289230, 1058578460, 2117156920]

約数ペア:

[(1, 2117156920), (2, 1058578460), (4, 529289230), (5, 423431384), (8, 264644615), (10, 211715692), (20, 105857846), (40, 52928923), (89, 23788280), (97, 21826360), (178, 11894140), (194, 10913180), (356, 5947070), (388, 5456590), (445, 4757656), (485, 4365272), (712, 2973535), (776, 2728295), (890, 2378828), (970, 2182636), (1780, 1189414), (1940, 1091318), (3560, 594707), (3880, 545659), (6131, 345320), (8633, 245240), (12262, 172660), (17266, 122620), (24524, 86330), (30655, 69064), (34532, 61310), (43165, 49048)]