123590740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 331808400

約数和(自身を除く): 208217660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 89, 91, 98, 109, 130, 140, 178, 182, 196, 218, 245, 260, 356, 364, 436, 445, 455, 490, 545, 623, 637, 763, 890, 910, 980, 1090, 1157, 1246, 1274, 1417, 1526, 1780, 1820, 2180, 2314, 2492, 2548, 2834, 3052, 3115, 3185, 3815, 4361, 4628, 5341, 5668, 5785, 6230, 6370, 7085, 7630, 8099, 8722, 9701, 9919, 10682, 11570, 12460, 12740, 14170, 15260, 16198, 17444, 19402, 19838, 21364, 21805, 23140, 26705, 28340, 32396, 38804, 39676, 40495, 43610, 48505, 49595, 53410, 56693, 67907, 69433, 80990, 87220, 97010, 99190, 106820, 113386, 126113, 135814, 138866, 161980, 194020, 198380, 226772, 252226, 271628, 277732, 283465, 339535, 347165, 475349, 504452, 566930, 630565, 679070, 694330, 882791, 950698, 1133860, 1261130, 1358140, 1388660, 1765582, 1901396, 2376745, 2522260, 3531164, 4413955, 4753490, 6179537, 8827910, 9506980, 12359074, 17655820, 24718148, 30897685, 61795370, 123590740]

約数ペア:

[(1, 123590740), (2, 61795370), (4, 30897685), (5, 24718148), (7, 17655820), (10, 12359074), (13, 9506980), (14, 8827910), (20, 6179537), (26, 4753490), (28, 4413955), (35, 3531164), (49, 2522260), (52, 2376745), (65, 1901396), (70, 1765582), (89, 1388660), (91, 1358140), (98, 1261130), (109, 1133860), (130, 950698), (140, 882791), (178, 694330), (182, 679070), (196, 630565), (218, 566930), (245, 504452), (260, 475349), (356, 347165), (364, 339535), (436, 283465), (445, 277732), (455, 271628), (490, 252226), (545, 226772), (623, 198380), (637, 194020), (763, 161980), (890, 138866), (910, 135814), (980, 126113), (1090, 113386), (1157, 106820), (1246, 99190), (1274, 97010), (1417, 87220), (1526, 80990), (1780, 69433), (1820, 67907), (2180, 56693), (2314, 53410), (2492, 49595), (2548, 48505), (2834, 43610), (3052, 40495), (3115, 39676), (3185, 38804), (3815, 32396), (4361, 28340), (4628, 26705), (5341, 23140), (5668, 21805), (5785, 21364), (6230, 19838), (6370, 19402), (7085, 17444), (7630, 16198), (8099, 15260), (8722, 14170), (9701, 12740), (9919, 12460), (10682, 11570)]