319856810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:520

約数の個数: 96

約数和(自身を含む): 728254800

約数和(自身を除く): 408397990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 149, 182, 245, 298, 337, 455, 490, 637, 674, 745, 910, 1043, 1274, 1490, 1685, 1937, 2086, 2359, 3185, 3370, 3874, 4381, 4718, 5215, 6370, 7301, 8762, 9685, 10430, 11795, 13559, 14602, 16513, 19370, 21905, 23590, 27118, 30667, 33026, 36505, 43810, 50213, 61334, 67795, 73010, 82565, 94913, 100426, 135590, 153335, 165130, 189826, 214669, 251065, 306670, 351491, 429338, 474565, 502130, 652769, 702982, 949130, 1073345, 1305538, 1757455, 2146690, 2460437, 3263845, 3514910, 4569383, 4920874, 6527690, 9138766, 12302185, 22846915, 24604370, 31985681, 45693830, 63971362, 159928405, 319856810]

約数ペア:

[(1, 319856810), (2, 159928405), (5, 63971362), (7, 45693830), (10, 31985681), (13, 24604370), (14, 22846915), (26, 12302185), (35, 9138766), (49, 6527690), (65, 4920874), (70, 4569383), (91, 3514910), (98, 3263845), (130, 2460437), (149, 2146690), (182, 1757455), (245, 1305538), (298, 1073345), (337, 949130), (455, 702982), (490, 652769), (637, 502130), (674, 474565), (745, 429338), (910, 351491), (1043, 306670), (1274, 251065), (1490, 214669), (1685, 189826), (1937, 165130), (2086, 153335), (2359, 135590), (3185, 100426), (3370, 94913), (3874, 82565), (4381, 73010), (4718, 67795), (5215, 61334), (6370, 50213), (7301, 43810), (8762, 36505), (9685, 33026), (10430, 30667), (11795, 27118), (13559, 23590), (14602, 21905), (16513, 19370)]