209050660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 561057840

約数和(自身を除く): 352007180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 61, 65, 70, 91, 98, 122, 130, 140, 182, 196, 244, 245, 260, 269, 305, 364, 427, 455, 490, 538, 610, 637, 793, 854, 910, 980, 1076, 1220, 1274, 1345, 1586, 1708, 1820, 1883, 2135, 2548, 2690, 2989, 3172, 3185, 3497, 3766, 3965, 4270, 5380, 5551, 5978, 6370, 6994, 7532, 7930, 8540, 9415, 11102, 11956, 12740, 13181, 13988, 14945, 15860, 16409, 17485, 18830, 22204, 24479, 26362, 27755, 29890, 32818, 34970, 37660, 38857, 48958, 52724, 55510, 59780, 65636, 65905, 69940, 77714, 82045, 97916, 111020, 114863, 122395, 131810, 155428, 164090, 171353, 194285, 213317, 229726, 244790, 263620, 328180, 342706, 388570, 426634, 459452, 489580, 574315, 685412, 777140, 804041, 853268, 856765, 1066585, 1148630, 1493219, 1608082, 1713530, 2133170, 2297260, 2986438, 3216164, 3427060, 4020205, 4266340, 5972876, 7466095, 8040410, 10452533, 14932190, 16080820, 20905066, 29864380, 41810132, 52262665, 104525330, 209050660]

約数ペア:

[(1, 209050660), (2, 104525330), (4, 52262665), (5, 41810132), (7, 29864380), (10, 20905066), (13, 16080820), (14, 14932190), (20, 10452533), (26, 8040410), (28, 7466095), (35, 5972876), (49, 4266340), (52, 4020205), (61, 3427060), (65, 3216164), (70, 2986438), (91, 2297260), (98, 2133170), (122, 1713530), (130, 1608082), (140, 1493219), (182, 1148630), (196, 1066585), (244, 856765), (245, 853268), (260, 804041), (269, 777140), (305, 685412), (364, 574315), (427, 489580), (455, 459452), (490, 426634), (538, 388570), (610, 342706), (637, 328180), (793, 263620), (854, 244790), (910, 229726), (980, 213317), (1076, 194285), (1220, 171353), (1274, 164090), (1345, 155428), (1586, 131810), (1708, 122395), (1820, 114863), (1883, 111020), (2135, 97916), (2548, 82045), (2690, 77714), (2989, 69940), (3172, 65905), (3185, 65636), (3497, 59780), (3766, 55510), (3965, 52724), (4270, 48958), (5380, 38857), (5551, 37660), (5978, 34970), (6370, 32818), (6994, 29890), (7532, 27755), (7930, 26362), (8540, 24479), (9415, 22204), (11102, 18830), (11956, 17485), (12740, 16409), (13181, 15860), (13988, 14945)]