990771200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 2527728840

約数和(自身を除く): 1536957640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 128, 148, 160, 185, 200, 256, 296, 320, 370, 400, 512, 523, 592, 640, 740, 800, 925, 1024, 1046, 1184, 1280, 1480, 1600, 1850, 2048, 2092, 2368, 2560, 2615, 2960, 3200, 3700, 4184, 4736, 5120, 5230, 5920, 6400, 7400, 8368, 9472, 10240, 10460, 11840, 12800, 13075, 14800, 16736, 18944, 19351, 20920, 23680, 25600, 26150, 29600, 33472, 37888, 38702, 41840, 47360, 51200, 52300, 59200, 66944, 75776, 77404, 83680, 94720, 96755, 104600, 118400, 133888, 154808, 167360, 189440, 193510, 209200, 236800, 267776, 309616, 334720, 378880, 387020, 418400, 473600, 483775, 535552, 619232, 669440, 774040, 836800, 947200, 967550, 1071104, 1238464, 1338880, 1548080, 1673600, 1894400, 1935100, 2476928, 2677760, 3096160, 3347200, 3870200, 4953856, 5355520, 6192320, 6694400, 7740400, 9907712, 12384640, 13388800, 15480800, 19815424, 24769280, 26777600, 30961600, 39630848, 49538560, 61923200, 99077120, 123846400, 198154240, 247692800, 495385600, 990771200]

約数ペア:

[(1, 990771200), (2, 495385600), (4, 247692800), (5, 198154240), (8, 123846400), (10, 99077120), (16, 61923200), (20, 49538560), (25, 39630848), (32, 30961600), (37, 26777600), (40, 24769280), (50, 19815424), (64, 15480800), (74, 13388800), (80, 12384640), (100, 9907712), (128, 7740400), (148, 6694400), (160, 6192320), (185, 5355520), (200, 4953856), (256, 3870200), (296, 3347200), (320, 3096160), (370, 2677760), (400, 2476928), (512, 1935100), (523, 1894400), (592, 1673600), (640, 1548080), (740, 1338880), (800, 1238464), (925, 1071104), (1024, 967550), (1046, 947200), (1184, 836800), (1280, 774040), (1480, 669440), (1600, 619232), (1850, 535552), (2048, 483775), (2092, 473600), (2368, 418400), (2560, 387020), (2615, 378880), (2960, 334720), (3200, 309616), (3700, 267776), (4184, 236800), (4736, 209200), (5120, 193510), (5230, 189440), (5920, 167360), (6400, 154808), (7400, 133888), (8368, 118400), (9472, 104600), (10240, 96755), (10460, 94720), (11840, 83680), (12800, 77404), (13075, 75776), (14800, 66944), (16736, 59200), (18944, 52300), (19351, 51200), (20920, 47360), (23680, 41840), (25600, 38702), (26150, 37888), (29600, 33472)]