128519300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 355810560

約数和(自身を除く): 227291260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 91, 100, 116, 130, 140, 145, 175, 182, 203, 260, 290, 325, 350, 364, 377, 406, 455, 487, 580, 650, 700, 725, 754, 812, 910, 974, 1015, 1300, 1450, 1508, 1820, 1885, 1948, 2030, 2275, 2435, 2639, 2900, 3409, 3770, 4060, 4550, 4870, 5075, 5278, 6331, 6818, 7540, 9100, 9425, 9740, 10150, 10556, 12175, 12662, 13195, 13636, 14123, 17045, 18850, 20300, 24350, 25324, 26390, 28246, 31655, 34090, 37700, 44317, 48700, 52780, 56492, 63310, 65975, 68180, 70615, 85225, 88634, 98861, 126620, 131950, 141230, 158275, 170450, 177268, 183599, 197722, 221585, 263900, 282460, 316550, 340900, 353075, 367198, 395444, 443170, 494305, 633100, 706150, 734396, 886340, 917995, 988610, 1107925, 1285193, 1412300, 1835990, 1977220, 2215850, 2471525, 2570386, 3671980, 4431700, 4589975, 4943050, 5140772, 6425965, 9179950, 9886100, 12851930, 18359900, 25703860, 32129825, 64259650, 128519300]

約数ペア:

[(1, 128519300), (2, 64259650), (4, 32129825), (5, 25703860), (7, 18359900), (10, 12851930), (13, 9886100), (14, 9179950), (20, 6425965), (25, 5140772), (26, 4943050), (28, 4589975), (29, 4431700), (35, 3671980), (50, 2570386), (52, 2471525), (58, 2215850), (65, 1977220), (70, 1835990), (91, 1412300), (100, 1285193), (116, 1107925), (130, 988610), (140, 917995), (145, 886340), (175, 734396), (182, 706150), (203, 633100), (260, 494305), (290, 443170), (325, 395444), (350, 367198), (364, 353075), (377, 340900), (406, 316550), (455, 282460), (487, 263900), (580, 221585), (650, 197722), (700, 183599), (725, 177268), (754, 170450), (812, 158275), (910, 141230), (974, 131950), (1015, 126620), (1300, 98861), (1450, 88634), (1508, 85225), (1820, 70615), (1885, 68180), (1948, 65975), (2030, 63310), (2275, 56492), (2435, 52780), (2639, 48700), (2900, 44317), (3409, 37700), (3770, 34090), (4060, 31655), (4550, 28246), (4870, 26390), (5075, 25324), (5278, 24350), (6331, 20300), (6818, 18850), (7540, 17045), (9100, 14123), (9425, 13636), (9740, 13195), (10150, 12662), (10556, 12175)]