204934180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 490291200

約数和(自身を除く): 285357020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 151, 155, 199, 220, 302, 310, 341, 398, 604, 620, 682, 755, 796, 995, 1364, 1510, 1661, 1705, 1990, 2189, 3020, 3322, 3410, 3980, 4378, 4681, 6169, 6644, 6820, 8305, 8756, 9362, 10945, 12338, 16610, 18724, 21890, 23405, 24676, 30049, 30845, 33220, 43780, 46810, 51491, 60098, 61690, 67859, 93620, 102982, 120196, 123380, 135718, 150245, 205964, 257455, 271436, 300490, 330539, 339295, 514910, 600980, 661078, 678590, 931519, 1029820, 1322156, 1357180, 1652695, 1863038, 3305390, 3726076, 4657595, 6610780, 9315190, 10246709, 18630380, 20493418, 40986836, 51233545, 102467090, 204934180]

約数ペア:

[(1, 204934180), (2, 102467090), (4, 51233545), (5, 40986836), (10, 20493418), (11, 18630380), (20, 10246709), (22, 9315190), (31, 6610780), (44, 4657595), (55, 3726076), (62, 3305390), (110, 1863038), (124, 1652695), (151, 1357180), (155, 1322156), (199, 1029820), (220, 931519), (302, 678590), (310, 661078), (341, 600980), (398, 514910), (604, 339295), (620, 330539), (682, 300490), (755, 271436), (796, 257455), (995, 205964), (1364, 150245), (1510, 135718), (1661, 123380), (1705, 120196), (1990, 102982), (2189, 93620), (3020, 67859), (3322, 61690), (3410, 60098), (3980, 51491), (4378, 46810), (4681, 43780), (6169, 33220), (6644, 30845), (6820, 30049), (8305, 24676), (8756, 23405), (9362, 21890), (10945, 18724), (12338, 16610)]