2051209220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{6607}}^1$

素因数の和:6697

約数の個数: 72

約数和(自身を含む): 4652613504

約数和(自身を除く): 2601404284

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 361, 380, 430, 722, 817, 860, 1444, 1634, 1805, 3268, 3610, 4085, 6607, 7220, 8170, 13214, 15523, 16340, 26428, 31046, 33035, 62092, 66070, 77615, 125533, 132140, 155230, 251066, 284101, 310460, 502132, 568202, 627665, 1136404, 1255330, 1420505, 2385127, 2510660, 2841010, 4770254, 5397919, 5682020, 9540508, 10795838, 11925635, 21591676, 23851270, 26989595, 47702540, 53979190, 102560461, 107958380, 205120922, 410241844, 512802305, 1025604610, 2051209220]

約数ペア:

[(1, 2051209220), (2, 1025604610), (4, 512802305), (5, 410241844), (10, 205120922), (19, 107958380), (20, 102560461), (38, 53979190), (43, 47702540), (76, 26989595), (86, 23851270), (95, 21591676), (172, 11925635), (190, 10795838), (215, 9540508), (361, 5682020), (380, 5397919), (430, 4770254), (722, 2841010), (817, 2510660), (860, 2385127), (1444, 1420505), (1634, 1255330), (1805, 1136404), (3268, 627665), (3610, 568202), (4085, 502132), (6607, 310460), (7220, 284101), (8170, 251066), (13214, 155230), (15523, 132140), (16340, 125533), (26428, 77615), (31046, 66070), (33035, 62092)]