21566358100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1\times {\mathrm{1451}}^1$

素因数の和:2738

約数の個数: 144

約数和(自身を含む): 56715120000

約数和(自身を除く): 35148761900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1249, 1451, 1700, 2380, 2498, 2902, 2975, 4996, 5804, 5950, 6245, 7255, 8743, 10157, 11900, 12490, 14510, 17486, 20314, 21233, 24667, 24980, 29020, 31225, 34972, 36275, 40628, 42466, 43715, 49334, 50785, 62450, 72550, 84932, 87430, 98668, 101570, 106165, 123335, 124900, 145100, 148631, 172669, 174860, 203140, 212330, 218575, 246670, 253925, 297262, 345338, 424660, 437150, 493340, 507850, 530825, 594524, 616675, 690676, 743155, 863345, 874300, 1015700, 1061650, 1233350, 1486310, 1726690, 1812299, 2123300, 2466700, 2972620, 3453380, 3624598, 3715775, 4316725, 7249196, 7431550, 8633450, 9061495, 12686093, 14863100, 17266900, 18122990, 25372186, 30809083, 36245980, 45307475, 50744372, 61618166, 63430465, 90614950, 123236332, 126860930, 154045415, 181229900, 215663581, 253721860, 308090830, 317152325, 431327162, 616181660, 634304650, 770227075, 862654324, 1078317905, 1268609300, 1540454150, 2156635810, 3080908300, 4313271620, 5391589525, 10783179050, 21566358100]

約数ペア:

[(1, 21566358100), (2, 10783179050), (4, 5391589525), (5, 4313271620), (7, 3080908300), (10, 2156635810), (14, 1540454150), (17, 1268609300), (20, 1078317905), (25, 862654324), (28, 770227075), (34, 634304650), (35, 616181660), (50, 431327162), (68, 317152325), (70, 308090830), (85, 253721860), (100, 215663581), (119, 181229900), (140, 154045415), (170, 126860930), (175, 123236332), (238, 90614950), (340, 63430465), (350, 61618166), (425, 50744372), (476, 45307475), (595, 36245980), (700, 30809083), (850, 25372186), (1190, 18122990), (1249, 17266900), (1451, 14863100), (1700, 12686093), (2380, 9061495), (2498, 8633450), (2902, 7431550), (2975, 7249196), (4996, 4316725), (5804, 3715775), (5950, 3624598), (6245, 3453380), (7255, 2972620), (8743, 2466700), (10157, 2123300), (11900, 1812299), (12490, 1726690), (14510, 1486310), (17486, 1233350), (20314, 1061650), (21233, 1015700), (24667, 874300), (24980, 863345), (29020, 743155), (31225, 690676), (34972, 616675), (36275, 594524), (40628, 530825), (42466, 507850), (43715, 493340), (49334, 437150), (50785, 424660), (62450, 345338), (72550, 297262), (84932, 253925), (87430, 246670), (98668, 218575), (101570, 212330), (106165, 203140), (123335, 174860), (124900, 172669), (145100, 148631)]