40450500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 130319280

約数和(自身を除く): 89868780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 101, 125, 150, 178, 180, 202, 225, 250, 267, 300, 303, 356, 375, 404, 445, 450, 500, 505, 534, 606, 750, 801, 890, 900, 909, 1010, 1068, 1125, 1212, 1335, 1500, 1515, 1602, 1780, 1818, 2020, 2225, 2250, 2525, 2670, 3030, 3204, 3636, 4005, 4450, 4500, 4545, 5050, 5340, 6060, 6675, 7575, 8010, 8900, 8989, 9090, 10100, 11125, 12625, 13350, 15150, 16020, 17978, 18180, 20025, 22250, 22725, 25250, 26700, 26967, 30300, 33375, 35956, 37875, 40050, 44500, 44945, 45450, 50500, 53934, 66750, 75750, 80100, 80901, 89890, 90900, 100125, 107868, 113625, 133500, 134835, 151500, 161802, 179780, 200250, 224725, 227250, 269670, 323604, 400500, 404505, 449450, 454500, 539340, 674175, 809010, 898900, 1123625, 1348350, 1618020, 2022525, 2247250, 2696700, 3370875, 4045050, 4494500, 6741750, 8090100, 10112625, 13483500, 20225250, 40450500]

約数ペア:

[(1, 40450500), (2, 20225250), (3, 13483500), (4, 10112625), (5, 8090100), (6, 6741750), (9, 4494500), (10, 4045050), (12, 3370875), (15, 2696700), (18, 2247250), (20, 2022525), (25, 1618020), (30, 1348350), (36, 1123625), (45, 898900), (50, 809010), (60, 674175), (75, 539340), (89, 454500), (90, 449450), (100, 404505), (101, 400500), (125, 323604), (150, 269670), (178, 227250), (180, 224725), (202, 200250), (225, 179780), (250, 161802), (267, 151500), (300, 134835), (303, 133500), (356, 113625), (375, 107868), (404, 100125), (445, 90900), (450, 89890), (500, 80901), (505, 80100), (534, 75750), (606, 66750), (750, 53934), (801, 50500), (890, 45450), (900, 44945), (909, 44500), (1010, 40050), (1068, 37875), (1125, 35956), (1212, 33375), (1335, 30300), (1500, 26967), (1515, 26700), (1602, 25250), (1780, 22725), (1818, 22250), (2020, 20025), (2225, 18180), (2250, 17978), (2525, 16020), (2670, 15150), (3030, 13350), (3204, 12625), (3636, 11125), (4005, 10100), (4450, 9090), (4500, 8989), (4545, 8900), (5050, 8010), (5340, 7575), (6060, 6675)]