1917204520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{3259}}^1$

素因数の和:3479

約数の個数: 128

約数和(自身を含む): 5407948800

約数和(自身を除く): 3490744280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 191, 220, 280, 308, 382, 385, 440, 616, 764, 770, 955, 1337, 1528, 1540, 1910, 2101, 2674, 3080, 3259, 3820, 4202, 5348, 6518, 6685, 7640, 8404, 10505, 10696, 13036, 13370, 14707, 16295, 16808, 21010, 22813, 26072, 26740, 29414, 32590, 35849, 42020, 45626, 53480, 58828, 65180, 71698, 73535, 84040, 91252, 114065, 117656, 130360, 143396, 147070, 179245, 182504, 228130, 250943, 286792, 294140, 358490, 456260, 501886, 588280, 622469, 716980, 912520, 1003772, 1244938, 1254715, 1433960, 2007544, 2489876, 2509430, 3112345, 4357283, 4979752, 5018860, 6224690, 6847159, 8714566, 10037720, 12449380, 13694318, 17429132, 21786415, 24898760, 27388636, 34235795, 34858264, 43572830, 47930113, 54777272, 68471590, 87145660, 95860226, 136943180, 174291320, 191720452, 239650565, 273886360, 383440904, 479301130, 958602260, 1917204520]

約数ペア:

[(1, 1917204520), (2, 958602260), (4, 479301130), (5, 383440904), (7, 273886360), (8, 239650565), (10, 191720452), (11, 174291320), (14, 136943180), (20, 95860226), (22, 87145660), (28, 68471590), (35, 54777272), (40, 47930113), (44, 43572830), (55, 34858264), (56, 34235795), (70, 27388636), (77, 24898760), (88, 21786415), (110, 17429132), (140, 13694318), (154, 12449380), (191, 10037720), (220, 8714566), (280, 6847159), (308, 6224690), (382, 5018860), (385, 4979752), (440, 4357283), (616, 3112345), (764, 2509430), (770, 2489876), (955, 2007544), (1337, 1433960), (1528, 1254715), (1540, 1244938), (1910, 1003772), (2101, 912520), (2674, 716980), (3080, 622469), (3259, 588280), (3820, 501886), (4202, 456260), (5348, 358490), (6518, 294140), (6685, 286792), (7640, 250943), (8404, 228130), (10505, 182504), (10696, 179245), (13036, 147070), (13370, 143396), (14707, 130360), (16295, 117656), (16808, 114065), (21010, 91252), (22813, 84040), (26072, 73535), (26740, 71698), (29414, 65180), (32590, 58828), (35849, 53480), (42020, 45626)]