21974710540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{5417}}^1$

素因数の和:5611

約数の個数: 96

約数和(自身を含む): 48660575040

約数和(自身を除く): 26685864500

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 89, 106, 172, 178, 212, 215, 265, 356, 430, 445, 530, 860, 890, 1060, 1780, 2279, 3827, 4558, 4717, 5417, 7654, 9116, 9434, 10834, 11395, 15308, 18868, 19135, 21668, 22790, 23585, 27085, 38270, 45580, 47170, 54170, 76540, 94340, 108340, 202831, 232931, 287101, 405662, 465862, 482113, 574202, 811324, 931724, 964226, 1014155, 1148404, 1164655, 1435505, 1928452, 2028310, 2329310, 2410565, 2871010, 4056620, 4658620, 4821130, 5742020, 9642260, 12345343, 20730859, 24690686, 25551989, 41461718, 49381372, 51103978, 61726715, 82923436, 102207956, 103654295, 123453430, 127759945, 207308590, 246906860, 255519890, 414617180, 511039780, 1098735527, 2197471054, 4394942108, 5493677635, 10987355270, 21974710540]

約数ペア:

[(1, 21974710540), (2, 10987355270), (4, 5493677635), (5, 4394942108), (10, 2197471054), (20, 1098735527), (43, 511039780), (53, 414617180), (86, 255519890), (89, 246906860), (106, 207308590), (172, 127759945), (178, 123453430), (212, 103654295), (215, 102207956), (265, 82923436), (356, 61726715), (430, 51103978), (445, 49381372), (530, 41461718), (860, 25551989), (890, 24690686), (1060, 20730859), (1780, 12345343), (2279, 9642260), (3827, 5742020), (4558, 4821130), (4717, 4658620), (5417, 4056620), (7654, 2871010), (9116, 2410565), (9434, 2329310), (10834, 2028310), (11395, 1928452), (15308, 1435505), (18868, 1164655), (19135, 1148404), (21668, 1014155), (22790, 964226), (23585, 931724), (27085, 811324), (38270, 574202), (45580, 482113), (47170, 465862), (54170, 405662), (76540, 287101), (94340, 232931), (108340, 202831)]