2912690095

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 4279035600

約数和(自身を除く): 1366345505

約数列:

[1, 5, 7, 31, 35, 49, 89, 139, 155, 217, 245, 445, 623, 695, 961, 973, 1085, 1519, 2759, 3115, 4309, 4361, 4805, 4865, 6727, 6811, 7595, 12371, 13795, 19313, 21545, 21805, 30163, 33635, 34055, 47089, 61855, 85529, 86597, 96565, 133579, 135191, 150815, 211141, 235445, 383501, 427645, 432985, 598703, 606179, 667895, 675955, 935053, 1055705, 1917505, 2684507, 2993515, 3030895, 4190921, 4675265, 6545371, 11888531, 13422535, 18791549, 20954605, 32726855, 59442655, 83219717, 93957745, 416098585, 582538019, 2912690095]

約数ペア:

[(1, 2912690095), (5, 582538019), (7, 416098585), (31, 93957745), (35, 83219717), (49, 59442655), (89, 32726855), (139, 20954605), (155, 18791549), (217, 13422535), (245, 11888531), (445, 6545371), (623, 4675265), (695, 4190921), (961, 3030895), (973, 2993515), (1085, 2684507), (1519, 1917505), (2759, 1055705), (3115, 935053), (4309, 675955), (4361, 667895), (4805, 606179), (4865, 598703), (6727, 432985), (6811, 427645), (7595, 383501), (12371, 235445), (13795, 211141), (19313, 150815), (21545, 135191), (21805, 133579), (30163, 96565), (33635, 86597), (34055, 85529), (47089, 61855)]