690996820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1141

約数の個数: 96

約数和(自身を含む): 1597833216

約数和(自身を除く): 906836396

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 47, 62, 92, 94, 115, 124, 155, 188, 230, 235, 310, 460, 470, 620, 713, 940, 1031, 1081, 1426, 1457, 2062, 2162, 2852, 2914, 3565, 4124, 4324, 5155, 5405, 5828, 7130, 7285, 10310, 10810, 14260, 14570, 20620, 21620, 23713, 29140, 31961, 33511, 47426, 48457, 63922, 67022, 94852, 96914, 118565, 127844, 134044, 159805, 167555, 193828, 237130, 242285, 319610, 335110, 474260, 484570, 639220, 670220, 735103, 969140, 1114511, 1470206, 1502167, 2229022, 2940412, 3004334, 3675515, 4458044, 5572555, 6008668, 7351030, 7510835, 11145110, 14702060, 15021670, 22290220, 30043340, 34549841, 69099682, 138199364, 172749205, 345498410, 690996820]

約数ペア:

[(1, 690996820), (2, 345498410), (4, 172749205), (5, 138199364), (10, 69099682), (20, 34549841), (23, 30043340), (31, 22290220), (46, 15021670), (47, 14702060), (62, 11145110), (92, 7510835), (94, 7351030), (115, 6008668), (124, 5572555), (155, 4458044), (188, 3675515), (230, 3004334), (235, 2940412), (310, 2229022), (460, 1502167), (470, 1470206), (620, 1114511), (713, 969140), (940, 735103), (1031, 670220), (1081, 639220), (1426, 484570), (1457, 474260), (2062, 335110), (2162, 319610), (2852, 242285), (2914, 237130), (3565, 193828), (4124, 167555), (4324, 159805), (5155, 134044), (5405, 127844), (5828, 118565), (7130, 96914), (7285, 94852), (10310, 67022), (10810, 63922), (14260, 48457), (14570, 47426), (20620, 33511), (21620, 31961), (23713, 29140)]