381506560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:571

約数の個数: 88

約数和(自身を含む): 921886920

約数和(自身を除く): 540380360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 277, 320, 512, 538, 554, 640, 1024, 1076, 1108, 1280, 1345, 1385, 2152, 2216, 2560, 2690, 2770, 4304, 4432, 5120, 5380, 5540, 8608, 8864, 10760, 11080, 17216, 17728, 21520, 22160, 34432, 35456, 43040, 44320, 68864, 70912, 74513, 86080, 88640, 137728, 141824, 149026, 172160, 177280, 275456, 283648, 298052, 344320, 354560, 372565, 596104, 688640, 709120, 745130, 1192208, 1377280, 1418240, 1490260, 2384416, 2980520, 4768832, 5961040, 9537664, 11922080, 19075328, 23844160, 38150656, 47688320, 76301312, 95376640, 190753280, 381506560]

約数ペア:

[(1, 381506560), (2, 190753280), (4, 95376640), (5, 76301312), (8, 47688320), (10, 38150656), (16, 23844160), (20, 19075328), (32, 11922080), (40, 9537664), (64, 5961040), (80, 4768832), (128, 2980520), (160, 2384416), (256, 1490260), (269, 1418240), (277, 1377280), (320, 1192208), (512, 745130), (538, 709120), (554, 688640), (640, 596104), (1024, 372565), (1076, 354560), (1108, 344320), (1280, 298052), (1345, 283648), (1385, 275456), (2152, 177280), (2216, 172160), (2560, 149026), (2690, 141824), (2770, 137728), (4304, 88640), (4432, 86080), (5120, 74513), (5380, 70912), (5540, 68864), (8608, 44320), (8864, 43040), (10760, 35456), (11080, 34432), (17216, 22160), (17728, 21520)]