201987940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4231}}^1$

素因数の和:4289

約数の個数: 96

約数和(自身を含む): 546029568

約数和(自身を除く): 344041628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 3410, 4231, 4340, 4774, 6820, 8462, 9548, 11935, 16924, 21155, 23870, 29617, 42310, 46541, 47740, 59234, 84620, 93082, 118468, 131161, 148085, 186164, 232705, 262322, 296170, 325787, 465410, 524644, 592340, 651574, 655805, 918127, 930820, 1303148, 1311610, 1442771, 1628935, 1836254, 2623220, 2885542, 3257870, 3672508, 4590635, 5771084, 6515740, 7213855, 9181270, 10099397, 14427710, 18362540, 20198794, 28855420, 40397588, 50496985, 100993970, 201987940]

約数ペア:

[(1, 201987940), (2, 100993970), (4, 50496985), (5, 40397588), (7, 28855420), (10, 20198794), (11, 18362540), (14, 14427710), (20, 10099397), (22, 9181270), (28, 7213855), (31, 6515740), (35, 5771084), (44, 4590635), (55, 3672508), (62, 3257870), (70, 2885542), (77, 2623220), (110, 1836254), (124, 1628935), (140, 1442771), (154, 1311610), (155, 1303148), (217, 930820), (220, 918127), (308, 655805), (310, 651574), (341, 592340), (385, 524644), (434, 465410), (620, 325787), (682, 296170), (770, 262322), (868, 232705), (1085, 186164), (1364, 148085), (1540, 131161), (1705, 118468), (2170, 93082), (2387, 84620), (3410, 59234), (4231, 47740), (4340, 46541), (4774, 42310), (6820, 29617), (8462, 23870), (9548, 21155), (11935, 16924)]