131311180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:984

約数の個数: 144

約数和(自身を含む): 377256096

約数和(自身を除く): 245944916

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 490, 539, 572, 637, 715, 770, 910, 937, 980, 1001, 1078, 1274, 1430, 1540, 1820, 1874, 2002, 2156, 2548, 2695, 2860, 3185, 3748, 4004, 4685, 5005, 5390, 6370, 6559, 7007, 9370, 10010, 10307, 10780, 12181, 12740, 13118, 14014, 18740, 20020, 20614, 24362, 26236, 28028, 32795, 35035, 41228, 45913, 48724, 51535, 60905, 65590, 70070, 72149, 85267, 91826, 103070, 121810, 131180, 133991, 140140, 144298, 170534, 183652, 206140, 229565, 243620, 267982, 288596, 341068, 360745, 426335, 459130, 505043, 535964, 596869, 669955, 721490, 852670, 918260, 937937, 1010086, 1193738, 1339910, 1442980, 1705340, 1875874, 2020172, 2387476, 2525215, 2679820, 2984345, 3751748, 4689685, 5050430, 5968690, 6565559, 9379370, 10100860, 11937380, 13131118, 18758740, 26262236, 32827795, 65655590, 131311180]

約数ペア:

[(1, 131311180), (2, 65655590), (4, 32827795), (5, 26262236), (7, 18758740), (10, 13131118), (11, 11937380), (13, 10100860), (14, 9379370), (20, 6565559), (22, 5968690), (26, 5050430), (28, 4689685), (35, 3751748), (44, 2984345), (49, 2679820), (52, 2525215), (55, 2387476), (65, 2020172), (70, 1875874), (77, 1705340), (91, 1442980), (98, 1339910), (110, 1193738), (130, 1010086), (140, 937937), (143, 918260), (154, 852670), (182, 721490), (196, 669955), (220, 596869), (245, 535964), (260, 505043), (286, 459130), (308, 426335), (364, 360745), (385, 341068), (455, 288596), (490, 267982), (539, 243620), (572, 229565), (637, 206140), (715, 183652), (770, 170534), (910, 144298), (937, 140140), (980, 133991), (1001, 131180), (1078, 121810), (1274, 103070), (1430, 91826), (1540, 85267), (1820, 72149), (1874, 70070), (2002, 65590), (2156, 60905), (2548, 51535), (2695, 48724), (2860, 45913), (3185, 41228), (3748, 35035), (4004, 32795), (4685, 28028), (5005, 26236), (5390, 24362), (6370, 20614), (6559, 20020), (7007, 18740), (9370, 14014), (10010, 13118), (10307, 12740), (10780, 12181)]