209024320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1176

約数の個数: 112

約数和(自身を含む): 541324800

約数和(自身を除く): 332300480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1109, 1178, 1216, 1240, 1520, 1984, 2218, 2356, 2480, 2945, 3040, 4436, 4712, 4960, 5545, 5890, 6080, 8872, 9424, 9920, 11090, 11780, 17744, 18848, 21071, 22180, 23560, 34379, 35488, 37696, 42142, 44360, 47120, 68758, 70976, 84284, 88720, 94240, 105355, 137516, 168568, 171895, 177440, 188480, 210710, 275032, 337136, 343790, 354880, 421420, 550064, 653201, 674272, 687580, 842840, 1100128, 1306402, 1348544, 1375160, 1685680, 2200256, 2612804, 2750320, 3266005, 3371360, 5225608, 5500640, 6532010, 6742720, 10451216, 11001280, 13064020, 20902432, 26128040, 41804864, 52256080, 104512160, 209024320]

約数ペア:

[(1, 209024320), (2, 104512160), (4, 52256080), (5, 41804864), (8, 26128040), (10, 20902432), (16, 13064020), (19, 11001280), (20, 10451216), (31, 6742720), (32, 6532010), (38, 5500640), (40, 5225608), (62, 3371360), (64, 3266005), (76, 2750320), (80, 2612804), (95, 2200256), (124, 1685680), (152, 1375160), (155, 1348544), (160, 1306402), (190, 1100128), (248, 842840), (304, 687580), (310, 674272), (320, 653201), (380, 550064), (496, 421420), (589, 354880), (608, 343790), (620, 337136), (760, 275032), (992, 210710), (1109, 188480), (1178, 177440), (1216, 171895), (1240, 168568), (1520, 137516), (1984, 105355), (2218, 94240), (2356, 88720), (2480, 84284), (2945, 70976), (3040, 68758), (4436, 47120), (4712, 44360), (4960, 42142), (5545, 37696), (5890, 35488), (6080, 34379), (8872, 23560), (9424, 22180), (9920, 21071), (11090, 18848), (11780, 17744)]