1640720452

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 3677643648

約数和(自身を除く): 2036923196

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 41, 74, 76, 82, 107, 133, 148, 164, 214, 259, 266, 287, 361, 428, 518, 532, 574, 703, 722, 749, 779, 1036, 1148, 1406, 1444, 1498, 1517, 1558, 2033, 2527, 2812, 2996, 3034, 3116, 3959, 4066, 4387, 4921, 5054, 5453, 6068, 7918, 8132, 8774, 9842, 10108, 10619, 10906, 13357, 14231, 14801, 15836, 17548, 19684, 21238, 21812, 26714, 27713, 28462, 28823, 29602, 30709, 38627, 42476, 53428, 55426, 56924, 57646, 59204, 61418, 75221, 77254, 83353, 93499, 103607, 110852, 115292, 122836, 150442, 154508, 162319, 166706, 186998, 201761, 207214, 270389, 300884, 324638, 333412, 373996, 403522, 414428, 526547, 540778, 547637, 583471, 649276, 807044, 1053094, 1081556, 1095274, 1136233, 1166942, 1429199, 1583707, 2106188, 2190548, 2272466, 2333884, 2858398, 3084061, 3167414, 3833459, 4544932, 5716796, 6168122, 6334828, 7666918, 10004393, 11085949, 12336244, 15333836, 20008786, 21588427, 22171898, 40017572, 43176854, 44343796, 58597159, 86353708, 117194318, 234388636, 410180113, 820360226, 1640720452]

約数ペア:

[(1, 1640720452), (2, 820360226), (4, 410180113), (7, 234388636), (14, 117194318), (19, 86353708), (28, 58597159), (37, 44343796), (38, 43176854), (41, 40017572), (74, 22171898), (76, 21588427), (82, 20008786), (107, 15333836), (133, 12336244), (148, 11085949), (164, 10004393), (214, 7666918), (259, 6334828), (266, 6168122), (287, 5716796), (361, 4544932), (428, 3833459), (518, 3167414), (532, 3084061), (574, 2858398), (703, 2333884), (722, 2272466), (749, 2190548), (779, 2106188), (1036, 1583707), (1148, 1429199), (1406, 1166942), (1444, 1136233), (1498, 1095274), (1517, 1081556), (1558, 1053094), (2033, 807044), (2527, 649276), (2812, 583471), (2996, 547637), (3034, 540778), (3116, 526547), (3959, 414428), (4066, 403522), (4387, 373996), (4921, 333412), (5054, 324638), (5453, 300884), (6068, 270389), (7918, 207214), (8132, 201761), (8774, 186998), (9842, 166706), (10108, 162319), (10619, 154508), (10906, 150442), (13357, 122836), (14231, 115292), (14801, 110852), (15836, 103607), (17548, 93499), (19684, 83353), (21238, 77254), (21812, 75221), (26714, 61418), (27713, 59204), (28462, 57646), (28823, 56924), (29602, 55426), (30709, 53428), (38627, 42476)]