409924160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^3\times {\mathrm{43}}^1$

素因数の和:153

約数の個数: 112

約数和(自身を含む): 1032125952

約数和(自身を除く): 622201792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 155, 160, 172, 215, 248, 310, 320, 344, 430, 496, 620, 688, 860, 961, 992, 1240, 1333, 1376, 1720, 1922, 1984, 2480, 2666, 2752, 3440, 3844, 4805, 4960, 5332, 6665, 6880, 7688, 9610, 9920, 10664, 13330, 13760, 15376, 19220, 21328, 26660, 29791, 30752, 38440, 41323, 42656, 53320, 59582, 61504, 76880, 82646, 85312, 106640, 119164, 148955, 153760, 165292, 206615, 213280, 238328, 297910, 307520, 330584, 413230, 426560, 476656, 595820, 661168, 826460, 953312, 1191640, 1281013, 1322336, 1652920, 1906624, 2383280, 2562026, 2644672, 3305840, 4766560, 5124052, 6405065, 6611680, 9533120, 10248104, 12810130, 13223360, 20496208, 25620260, 40992416, 51240520, 81984832, 102481040, 204962080, 409924160]

約数ペア:

[(1, 409924160), (2, 204962080), (4, 102481040), (5, 81984832), (8, 51240520), (10, 40992416), (16, 25620260), (20, 20496208), (31, 13223360), (32, 12810130), (40, 10248104), (43, 9533120), (62, 6611680), (64, 6405065), (80, 5124052), (86, 4766560), (124, 3305840), (155, 2644672), (160, 2562026), (172, 2383280), (215, 1906624), (248, 1652920), (310, 1322336), (320, 1281013), (344, 1191640), (430, 953312), (496, 826460), (620, 661168), (688, 595820), (860, 476656), (961, 426560), (992, 413230), (1240, 330584), (1333, 307520), (1376, 297910), (1720, 238328), (1922, 213280), (1984, 206615), (2480, 165292), (2666, 153760), (2752, 148955), (3440, 119164), (3844, 106640), (4805, 85312), (4960, 82646), (5332, 76880), (6665, 61504), (6880, 59582), (7688, 53320), (9610, 42656), (9920, 41323), (10664, 38440), (13330, 30752), (13760, 29791), (15376, 26660), (19220, 21328)]