2015189876

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{809}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 4188542400

約数和(自身を除く): 2173352524

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 179, 196, 284, 358, 497, 716, 809, 994, 1253, 1618, 1988, 2506, 3236, 3479, 5012, 5663, 6958, 8771, 11326, 12709, 13916, 17542, 22652, 25418, 35084, 39641, 50836, 57439, 79282, 88963, 114878, 144811, 158564, 177926, 229756, 289622, 355852, 402073, 579244, 622741, 804146, 1013677, 1245482, 1608292, 2027354, 2490964, 2814511, 4054708, 5629022, 7095739, 10281581, 11258044, 14191478, 20563162, 28382956, 41126324, 71971067, 143942134, 287884268, 503797469, 1007594938, 2015189876]

約数ペア:

[(1, 2015189876), (2, 1007594938), (4, 503797469), (7, 287884268), (14, 143942134), (28, 71971067), (49, 41126324), (71, 28382956), (98, 20563162), (142, 14191478), (179, 11258044), (196, 10281581), (284, 7095739), (358, 5629022), (497, 4054708), (716, 2814511), (809, 2490964), (994, 2027354), (1253, 1608292), (1618, 1245482), (1988, 1013677), (2506, 804146), (3236, 622741), (3479, 579244), (5012, 402073), (5663, 355852), (6958, 289622), (8771, 229756), (11326, 177926), (12709, 158564), (13916, 144811), (17542, 114878), (22652, 88963), (25418, 79282), (35084, 57439), (39641, 50836)]