2019596680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{5237}}^1$

素因数の和:5590

約数の個数: 64

約数和(自身を含む): 4706657280

約数和(自身を除く): 2687060600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 311, 620, 622, 1240, 1244, 1555, 2488, 3110, 5237, 6220, 9641, 10474, 12440, 19282, 20948, 26185, 38564, 41896, 48205, 52370, 77128, 96410, 104740, 162347, 192820, 209480, 324694, 385640, 649388, 811735, 1298776, 1623470, 1628707, 3246940, 3257414, 6493880, 6514828, 8143535, 13029656, 16287070, 32574140, 50489917, 65148280, 100979834, 201959668, 252449585, 403919336, 504899170, 1009798340, 2019596680]

約数ペア:

[(1, 2019596680), (2, 1009798340), (4, 504899170), (5, 403919336), (8, 252449585), (10, 201959668), (20, 100979834), (31, 65148280), (40, 50489917), (62, 32574140), (124, 16287070), (155, 13029656), (248, 8143535), (310, 6514828), (311, 6493880), (620, 3257414), (622, 3246940), (1240, 1628707), (1244, 1623470), (1555, 1298776), (2488, 811735), (3110, 649388), (5237, 385640), (6220, 324694), (9641, 209480), (10474, 192820), (12440, 162347), (19282, 104740), (20948, 96410), (26185, 77128), (38564, 52370), (41896, 48205)]