204038720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:980

約数の個数: 112

約数和(自身を含む): 525840960

約数和(自身を除く): 321802240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 320, 370, 380, 592, 608, 703, 740, 760, 907, 1184, 1216, 1406, 1480, 1520, 1814, 2368, 2812, 2960, 3040, 3515, 3628, 4535, 5624, 5920, 6080, 7030, 7256, 9070, 11248, 11840, 14060, 14512, 17233, 18140, 22496, 28120, 29024, 33559, 34466, 36280, 44992, 56240, 58048, 67118, 68932, 72560, 86165, 112480, 134236, 137864, 145120, 167795, 172330, 224960, 268472, 275728, 290240, 335590, 344660, 536944, 551456, 637621, 671180, 689320, 1073888, 1102912, 1275242, 1342360, 1378640, 2147776, 2550484, 2684720, 2757280, 3188105, 5100968, 5369440, 5514560, 6376210, 10201936, 10738880, 12752420, 20403872, 25504840, 40807744, 51009680, 102019360, 204038720]

約数ペア:

[(1, 204038720), (2, 102019360), (4, 51009680), (5, 40807744), (8, 25504840), (10, 20403872), (16, 12752420), (19, 10738880), (20, 10201936), (32, 6376210), (37, 5514560), (38, 5369440), (40, 5100968), (64, 3188105), (74, 2757280), (76, 2684720), (80, 2550484), (95, 2147776), (148, 1378640), (152, 1342360), (160, 1275242), (185, 1102912), (190, 1073888), (296, 689320), (304, 671180), (320, 637621), (370, 551456), (380, 536944), (592, 344660), (608, 335590), (703, 290240), (740, 275728), (760, 268472), (907, 224960), (1184, 172330), (1216, 167795), (1406, 145120), (1480, 137864), (1520, 134236), (1814, 112480), (2368, 86165), (2812, 72560), (2960, 68932), (3040, 67118), (3515, 58048), (3628, 56240), (4535, 44992), (5624, 36280), (5920, 34466), (6080, 33559), (7030, 29024), (7256, 28120), (9070, 22496), (11248, 18140), (11840, 17233), (14060, 14512)]