13680380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 35750400

約数和(自身を除く): 22070020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 139, 140, 148, 185, 190, 259, 266, 278, 370, 380, 518, 532, 556, 665, 695, 703, 740, 973, 1036, 1295, 1330, 1390, 1406, 1946, 2590, 2641, 2660, 2780, 2812, 3515, 3892, 4865, 4921, 5143, 5180, 5282, 7030, 9730, 9842, 10286, 10564, 13205, 14060, 18487, 19460, 19684, 20572, 24605, 25715, 26410, 36001, 36974, 49210, 51430, 52820, 72002, 73948, 92435, 97717, 98420, 102860, 144004, 180005, 184870, 195434, 360010, 369740, 390868, 488585, 684019, 720020, 977170, 1368038, 1954340, 2736076, 3420095, 6840190, 13680380]

約数ペア:

[(1, 13680380), (2, 6840190), (4, 3420095), (5, 2736076), (7, 1954340), (10, 1368038), (14, 977170), (19, 720020), (20, 684019), (28, 488585), (35, 390868), (37, 369740), (38, 360010), (70, 195434), (74, 184870), (76, 180005), (95, 144004), (133, 102860), (139, 98420), (140, 97717), (148, 92435), (185, 73948), (190, 72002), (259, 52820), (266, 51430), (278, 49210), (370, 36974), (380, 36001), (518, 26410), (532, 25715), (556, 24605), (665, 20572), (695, 19684), (703, 19460), (740, 18487), (973, 14060), (1036, 13205), (1295, 10564), (1330, 10286), (1390, 9842), (1406, 9730), (1946, 7030), (2590, 5282), (2641, 5180), (2660, 5143), (2780, 4921), (2812, 4865), (3515, 3892)]