388645551710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1\times {\mathrm{1283}}^1$

素因数の和:2298

約数の個数: 128

約数和(自身を含む): 786130458624

約数和(自身を除く): 397484906914

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 71, 74, 130, 142, 185, 355, 370, 481, 710, 887, 923, 962, 1283, 1774, 1846, 2405, 2566, 2627, 4435, 4615, 4810, 5254, 6415, 8870, 9230, 11531, 12830, 13135, 16679, 23062, 26270, 32819, 33358, 34151, 47471, 57655, 62977, 65638, 68302, 83395, 91093, 94942, 115310, 125954, 164095, 166790, 170755, 182186, 237355, 314885, 328190, 341510, 426647, 455465, 474710, 617123, 629770, 818701, 853294, 910930, 1138021, 1184209, 1234246, 1637402, 2133235, 2276042, 2330149, 2368418, 3085615, 3370441, 4093505, 4266470, 4660298, 5690105, 5921045, 6171230, 6740882, 8187010, 11380210, 11650745, 11842090, 14794273, 16852205, 23301490, 29588546, 30291937, 33704410, 42106777, 43815733, 60583874, 73971365, 80799491, 84213554, 87631466, 147942730, 151459685, 161598982, 210533885, 219078665, 302919370, 403997455, 421067770, 438157330, 547388101, 807994910, 1050393383, 1094776202, 2100786766, 2736940505, 2989581167, 5251966915, 5473881010, 5979162334, 10503933830, 14947905835, 29895811670, 38864555171, 77729110342, 194322775855, 388645551710]

約数ペア:

[(1, 388645551710), (2, 194322775855), (5, 77729110342), (10, 38864555171), (13, 29895811670), (26, 14947905835), (37, 10503933830), (65, 5979162334), (71, 5473881010), (74, 5251966915), (130, 2989581167), (142, 2736940505), (185, 2100786766), (355, 1094776202), (370, 1050393383), (481, 807994910), (710, 547388101), (887, 438157330), (923, 421067770), (962, 403997455), (1283, 302919370), (1774, 219078665), (1846, 210533885), (2405, 161598982), (2566, 151459685), (2627, 147942730), (4435, 87631466), (4615, 84213554), (4810, 80799491), (5254, 73971365), (6415, 60583874), (8870, 43815733), (9230, 42106777), (11531, 33704410), (12830, 30291937), (13135, 29588546), (16679, 23301490), (23062, 16852205), (26270, 14794273), (32819, 11842090), (33358, 11650745), (34151, 11380210), (47471, 8187010), (57655, 6740882), (62977, 6171230), (65638, 5921045), (68302, 5690105), (83395, 4660298), (91093, 4266470), (94942, 4093505), (115310, 3370441), (125954, 3085615), (164095, 2368418), (166790, 2330149), (170755, 2276042), (182186, 2133235), (237355, 1637402), (314885, 1234246), (328190, 1184209), (341510, 1138021), (426647, 910930), (455465, 853294), (474710, 818701), (617123, 629770)]