71630260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 166962600

約数和(自身を除く): 95332340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 149, 172, 215, 260, 298, 430, 559, 596, 745, 860, 1118, 1490, 1849, 1937, 2236, 2795, 2980, 3698, 3874, 5590, 6407, 7396, 7748, 9245, 9685, 11180, 12814, 18490, 19370, 24037, 25628, 32035, 36980, 38740, 48074, 64070, 83291, 96148, 120185, 128140, 166582, 240370, 275501, 333164, 416455, 480740, 551002, 832910, 1102004, 1377505, 1665820, 2755010, 3581513, 5510020, 7163026, 14326052, 17907565, 35815130, 71630260]

約数ペア:

[(1, 71630260), (2, 35815130), (4, 17907565), (5, 14326052), (10, 7163026), (13, 5510020), (20, 3581513), (26, 2755010), (43, 1665820), (52, 1377505), (65, 1102004), (86, 832910), (130, 551002), (149, 480740), (172, 416455), (215, 333164), (260, 275501), (298, 240370), (430, 166582), (559, 128140), (596, 120185), (745, 96148), (860, 83291), (1118, 64070), (1490, 48074), (1849, 38740), (1937, 36980), (2236, 32035), (2795, 25628), (2980, 24037), (3698, 19370), (3874, 18490), (5590, 12814), (6407, 11180), (7396, 9685), (7748, 9245)]