397242804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 1204469280

約数和(自身を除く): 807226476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 37, 38, 42, 49, 57, 62, 74, 76, 84, 93, 98, 111, 114, 124, 133, 147, 148, 186, 196, 217, 222, 228, 259, 266, 294, 372, 399, 434, 444, 518, 532, 588, 589, 651, 703, 777, 798, 868, 931, 961, 1036, 1147, 1178, 1302, 1406, 1519, 1554, 1596, 1767, 1813, 1862, 1922, 2109, 2294, 2356, 2604, 2793, 2812, 2883, 3038, 3108, 3441, 3534, 3626, 3724, 3844, 4123, 4218, 4557, 4588, 4921, 5439, 5586, 5766, 6076, 6727, 6882, 7068, 7252, 8029, 8246, 8436, 9114, 9842, 10878, 11172, 11532, 12369, 13454, 13764, 14763, 16058, 16492, 18228, 18259, 19684, 20181, 21756, 21793, 24087, 24738, 26908, 28861, 29526, 32116, 34447, 35557, 36518, 40362, 43586, 47089, 48174, 49476, 54777, 56203, 57722, 59052, 65379, 68894, 71114, 73036, 80724, 86583, 87172, 94178, 96348, 103341, 106671, 109554, 112406, 115444, 127813, 130758, 137788, 141267, 142228, 152551, 168609, 173166, 188356, 206682, 213342, 219108, 224812, 248899, 255626, 261516, 282534, 305102, 337218, 346332, 383439, 413364, 426684, 457653, 497798, 511252, 565068, 610204, 674436, 675583, 746697, 766878, 894691, 915306, 995596, 1067857, 1351166, 1493394, 1533756, 1742293, 1789382, 1830612, 2026749, 2135714, 2684073, 2702332, 2986788, 3203571, 3484586, 3578764, 4053498, 4271428, 4729081, 5226879, 5368146, 6407142, 6969172, 8106996, 9458162, 10453758, 10736292, 12814284, 14187243, 18916324, 20907516, 28374486, 33103567, 56748972, 66207134, 99310701, 132414268, 198621402, 397242804]

約数ペア:

[(1, 397242804), (2, 198621402), (3, 132414268), (4, 99310701), (6, 66207134), (7, 56748972), (12, 33103567), (14, 28374486), (19, 20907516), (21, 18916324), (28, 14187243), (31, 12814284), (37, 10736292), (38, 10453758), (42, 9458162), (49, 8106996), (57, 6969172), (62, 6407142), (74, 5368146), (76, 5226879), (84, 4729081), (93, 4271428), (98, 4053498), (111, 3578764), (114, 3484586), (124, 3203571), (133, 2986788), (147, 2702332), (148, 2684073), (186, 2135714), (196, 2026749), (217, 1830612), (222, 1789382), (228, 1742293), (259, 1533756), (266, 1493394), (294, 1351166), (372, 1067857), (399, 995596), (434, 915306), (444, 894691), (518, 766878), (532, 746697), (588, 675583), (589, 674436), (651, 610204), (703, 565068), (777, 511252), (798, 497798), (868, 457653), (931, 426684), (961, 413364), (1036, 383439), (1147, 346332), (1178, 337218), (1302, 305102), (1406, 282534), (1519, 261516), (1554, 255626), (1596, 248899), (1767, 224812), (1813, 219108), (1862, 213342), (1922, 206682), (2109, 188356), (2294, 173166), (2356, 168609), (2604, 152551), (2793, 142228), (2812, 141267), (2883, 137788), (3038, 130758), (3108, 127813), (3441, 115444), (3534, 112406), (3626, 109554), (3724, 106671), (3844, 103341), (4123, 96348), (4218, 94178), (4557, 87172), (4588, 86583), (4921, 80724), (5439, 73036), (5586, 71114), (5766, 68894), (6076, 65379), (6727, 59052), (6882, 57722), (7068, 56203), (7252, 54777), (8029, 49476), (8246, 48174), (8436, 47089), (9114, 43586), (9842, 40362), (10878, 36518), (11172, 35557), (11532, 34447), (12369, 32116), (13454, 29526), (13764, 28861), (14763, 26908), (16058, 24738), (16492, 24087), (18228, 21793), (18259, 21756), (19684, 20181)]