201103510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 390044160

約数和(自身を除く): 188940650

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 89, 155, 178, 185, 197, 310, 370, 394, 445, 890, 985, 1147, 1970, 2294, 2759, 3293, 5518, 5735, 6107, 6586, 7289, 11470, 12214, 13795, 14578, 16465, 17533, 27590, 30535, 32930, 35066, 36445, 61070, 72890, 87665, 102083, 175330, 204166, 225959, 451918, 510415, 543523, 648721, 1020830, 1087046, 1129795, 1297442, 2259590, 2717615, 3243605, 5435230, 6487210, 20110351, 40220702, 100551755, 201103510]

約数ペア:

[(1, 201103510), (2, 100551755), (5, 40220702), (10, 20110351), (31, 6487210), (37, 5435230), (62, 3243605), (74, 2717615), (89, 2259590), (155, 1297442), (178, 1129795), (185, 1087046), (197, 1020830), (310, 648721), (370, 543523), (394, 510415), (445, 451918), (890, 225959), (985, 204166), (1147, 175330), (1970, 102083), (2294, 87665), (2759, 72890), (3293, 61070), (5518, 36445), (5735, 35066), (6107, 32930), (6586, 30535), (7289, 27590), (11470, 17533), (12214, 16465), (13795, 14578)]