212818760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9871}}^1$

素因数の和:9907

約数の個数: 96

約数和(自身を含む): 607720320

約数和(自身を除く): 394901560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 9871, 10780, 19742, 21560, 39484, 49355, 69097, 78968, 98710, 108581, 138194, 197420, 217162, 276388, 345485, 394840, 434324, 483679, 542905, 552776, 690970, 760067, 868648, 967358, 1085810, 1381940, 1520134, 1934716, 2171620, 2418395, 2763880, 3040268, 3800335, 3869432, 4343240, 4836790, 5320469, 6080536, 7600670, 9673580, 10640938, 15201340, 19347160, 21281876, 26602345, 30402680, 42563752, 53204690, 106409380, 212818760]

約数ペア:

[(1, 212818760), (2, 106409380), (4, 53204690), (5, 42563752), (7, 30402680), (8, 26602345), (10, 21281876), (11, 19347160), (14, 15201340), (20, 10640938), (22, 9673580), (28, 7600670), (35, 6080536), (40, 5320469), (44, 4836790), (49, 4343240), (55, 3869432), (56, 3800335), (70, 3040268), (77, 2763880), (88, 2418395), (98, 2171620), (110, 1934716), (140, 1520134), (154, 1381940), (196, 1085810), (220, 967358), (245, 868648), (280, 760067), (308, 690970), (385, 552776), (392, 542905), (440, 483679), (490, 434324), (539, 394840), (616, 345485), (770, 276388), (980, 217162), (1078, 197420), (1540, 138194), (1960, 108581), (2156, 98710), (2695, 78968), (3080, 69097), (4312, 49355), (5390, 39484), (9871, 21560), (10780, 19742)]