199473920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 516559680

約数和(自身を除く): 317085760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 103, 128, 136, 160, 170, 178, 206, 256, 272, 320, 340, 356, 412, 445, 515, 544, 640, 680, 712, 824, 890, 1030, 1088, 1280, 1360, 1424, 1513, 1648, 1751, 1780, 2060, 2176, 2720, 2848, 3026, 3296, 3502, 3560, 4120, 4352, 5440, 5696, 6052, 6592, 7004, 7120, 7565, 8240, 8755, 9167, 10880, 11392, 12104, 13184, 14008, 14240, 15130, 16480, 17510, 18334, 21760, 22784, 24208, 26368, 28016, 28480, 30260, 32960, 35020, 36668, 45835, 48416, 56032, 56960, 60520, 65920, 70040, 73336, 91670, 96832, 112064, 113920, 121040, 131840, 140080, 146672, 155839, 183340, 193664, 224128, 242080, 280160, 293344, 311678, 366680, 387328, 448256, 484160, 560320, 586688, 623356, 733360, 779195, 968320, 1120640, 1173376, 1246712, 1466720, 1558390, 1936640, 2241280, 2346752, 2493424, 2933440, 3116780, 4986848, 5866880, 6233560, 9973696, 11733760, 12467120, 19947392, 24934240, 39894784, 49868480, 99736960, 199473920]

約数ペア:

[(1, 199473920), (2, 99736960), (4, 49868480), (5, 39894784), (8, 24934240), (10, 19947392), (16, 12467120), (17, 11733760), (20, 9973696), (32, 6233560), (34, 5866880), (40, 4986848), (64, 3116780), (68, 2933440), (80, 2493424), (85, 2346752), (89, 2241280), (103, 1936640), (128, 1558390), (136, 1466720), (160, 1246712), (170, 1173376), (178, 1120640), (206, 968320), (256, 779195), (272, 733360), (320, 623356), (340, 586688), (356, 560320), (412, 484160), (445, 448256), (515, 387328), (544, 366680), (640, 311678), (680, 293344), (712, 280160), (824, 242080), (890, 224128), (1030, 193664), (1088, 183340), (1280, 155839), (1360, 146672), (1424, 140080), (1513, 131840), (1648, 121040), (1751, 113920), (1780, 112064), (2060, 96832), (2176, 91670), (2720, 73336), (2848, 70040), (3026, 65920), (3296, 60520), (3502, 56960), (3560, 56032), (4120, 48416), (4352, 45835), (5440, 36668), (5696, 35020), (6052, 32960), (6592, 30260), (7004, 28480), (7120, 28016), (7565, 26368), (8240, 24208), (8755, 22784), (9167, 21760), (10880, 18334), (11392, 17510), (12104, 16480), (13184, 15130), (14008, 14240)]