408025520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:523

約数の個数: 160

約数和(自身を含む): 1148497920

約数和(自身を除く): 740472400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 79, 80, 92, 112, 115, 140, 158, 161, 184, 230, 280, 316, 322, 368, 395, 401, 460, 553, 560, 632, 644, 790, 802, 805, 920, 1106, 1264, 1288, 1580, 1604, 1610, 1817, 1840, 2005, 2212, 2576, 2765, 2807, 3160, 3208, 3220, 3634, 4010, 4424, 5530, 5614, 6320, 6416, 6440, 7268, 8020, 8848, 9085, 9223, 11060, 11228, 12719, 12880, 14035, 14536, 16040, 18170, 18446, 22120, 22456, 25438, 28070, 29072, 31679, 32080, 36340, 36892, 44240, 44912, 46115, 50876, 56140, 63358, 63595, 64561, 72680, 73784, 92230, 101752, 112280, 126716, 127190, 129122, 145360, 147568, 158395, 184460, 203504, 221753, 224560, 253432, 254380, 258244, 316790, 322805, 368920, 443506, 506864, 508760, 516488, 633580, 645610, 728617, 737840, 887012, 1017520, 1032976, 1108765, 1267160, 1291220, 1457234, 1774024, 2217530, 2534320, 2582440, 2914468, 3548048, 3643085, 4435060, 5100319, 5164880, 5828936, 7286170, 8870120, 10200638, 11657872, 14572340, 17740240, 20401276, 25501595, 29144680, 40802552, 51003190, 58289360, 81605104, 102006380, 204012760, 408025520]

約数ペア:

[(1, 408025520), (2, 204012760), (4, 102006380), (5, 81605104), (7, 58289360), (8, 51003190), (10, 40802552), (14, 29144680), (16, 25501595), (20, 20401276), (23, 17740240), (28, 14572340), (35, 11657872), (40, 10200638), (46, 8870120), (56, 7286170), (70, 5828936), (79, 5164880), (80, 5100319), (92, 4435060), (112, 3643085), (115, 3548048), (140, 2914468), (158, 2582440), (161, 2534320), (184, 2217530), (230, 1774024), (280, 1457234), (316, 1291220), (322, 1267160), (368, 1108765), (395, 1032976), (401, 1017520), (460, 887012), (553, 737840), (560, 728617), (632, 645610), (644, 633580), (790, 516488), (802, 508760), (805, 506864), (920, 443506), (1106, 368920), (1264, 322805), (1288, 316790), (1580, 258244), (1604, 254380), (1610, 253432), (1817, 224560), (1840, 221753), (2005, 203504), (2212, 184460), (2576, 158395), (2765, 147568), (2807, 145360), (3160, 129122), (3208, 127190), (3220, 126716), (3634, 112280), (4010, 101752), (4424, 92230), (5530, 73784), (5614, 72680), (6320, 64561), (6416, 63595), (6440, 63358), (7268, 56140), (8020, 50876), (8848, 46115), (9085, 44912), (9223, 44240), (11060, 36892), (11228, 36340), (12719, 32080), (12880, 31679), (14035, 29072), (14536, 28070), (16040, 25438), (18170, 22456), (18446, 22120)]