200806400

素因数分解:

$2^{12}\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 156

約数和(自身を含む): 521045892

約数和(自身を除く): 320239492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 53, 64, 74, 80, 100, 106, 128, 148, 160, 185, 200, 212, 256, 265, 296, 320, 370, 400, 424, 512, 530, 592, 640, 740, 800, 848, 925, 1024, 1060, 1184, 1280, 1325, 1480, 1600, 1696, 1850, 1961, 2048, 2120, 2368, 2560, 2650, 2960, 3200, 3392, 3700, 3922, 4096, 4240, 4736, 5120, 5300, 5920, 6400, 6784, 7400, 7844, 8480, 9472, 9805, 10240, 10600, 11840, 12800, 13568, 14800, 15688, 16960, 18944, 19610, 20480, 21200, 23680, 25600, 27136, 29600, 31376, 33920, 37888, 39220, 42400, 47360, 49025, 51200, 54272, 59200, 62752, 67840, 75776, 78440, 84800, 94720, 98050, 102400, 108544, 118400, 125504, 135680, 151552, 156880, 169600, 189440, 196100, 217088, 236800, 251008, 271360, 313760, 339200, 378880, 392200, 473600, 502016, 542720, 627520, 678400, 757760, 784400, 947200, 1004032, 1085440, 1255040, 1356800, 1568800, 1894400, 2008064, 2510080, 2713600, 3137600, 3788800, 4016128, 5020160, 5427200, 6275200, 8032256, 10040320, 12550400, 20080640, 25100800, 40161280, 50201600, 100403200, 200806400]

約数ペア:

[(1, 200806400), (2, 100403200), (4, 50201600), (5, 40161280), (8, 25100800), (10, 20080640), (16, 12550400), (20, 10040320), (25, 8032256), (32, 6275200), (37, 5427200), (40, 5020160), (50, 4016128), (53, 3788800), (64, 3137600), (74, 2713600), (80, 2510080), (100, 2008064), (106, 1894400), (128, 1568800), (148, 1356800), (160, 1255040), (185, 1085440), (200, 1004032), (212, 947200), (256, 784400), (265, 757760), (296, 678400), (320, 627520), (370, 542720), (400, 502016), (424, 473600), (512, 392200), (530, 378880), (592, 339200), (640, 313760), (740, 271360), (800, 251008), (848, 236800), (925, 217088), (1024, 196100), (1060, 189440), (1184, 169600), (1280, 156880), (1325, 151552), (1480, 135680), (1600, 125504), (1696, 118400), (1850, 108544), (1961, 102400), (2048, 98050), (2120, 94720), (2368, 84800), (2560, 78440), (2650, 75776), (2960, 67840), (3200, 62752), (3392, 59200), (3700, 54272), (3922, 51200), (4096, 49025), (4240, 47360), (4736, 42400), (5120, 39220), (5300, 37888), (5920, 33920), (6400, 31376), (6784, 29600), (7400, 27136), (7844, 25600), (8480, 23680), (9472, 21200), (9805, 20480), (10240, 19610), (10600, 18944), (11840, 16960), (12800, 15688), (13568, 14800)]