205177840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 575963136

約数和(自身を除く): 370785296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 80, 106, 112, 124, 140, 155, 212, 217, 223, 248, 265, 280, 310, 371, 424, 434, 446, 496, 530, 560, 620, 742, 848, 868, 892, 1060, 1085, 1115, 1240, 1484, 1561, 1643, 1736, 1784, 1855, 2120, 2170, 2230, 2480, 2968, 3122, 3286, 3472, 3568, 3710, 4240, 4340, 4460, 5936, 6244, 6572, 6913, 7420, 7805, 8215, 8680, 8920, 11501, 11819, 12488, 13144, 13826, 14840, 15610, 16430, 17360, 17840, 23002, 23638, 24976, 26288, 27652, 29680, 31220, 32860, 34565, 46004, 47276, 48391, 55304, 57505, 59095, 62440, 65720, 69130, 82733, 92008, 94552, 96782, 110608, 115010, 118190, 124880, 131440, 138260, 165466, 184016, 189104, 193564, 230020, 236380, 241955, 276520, 330932, 366389, 387128, 413665, 460040, 472760, 483910, 553040, 661864, 732778, 774256, 827330, 920080, 945520, 967820, 1323728, 1465556, 1654660, 1831945, 1935640, 2564723, 2931112, 3309320, 3663890, 3871280, 5129446, 5862224, 6618640, 7327780, 10258892, 12823615, 14655560, 20517784, 25647230, 29311120, 41035568, 51294460, 102588920, 205177840]

約数ペア:

[(1, 205177840), (2, 102588920), (4, 51294460), (5, 41035568), (7, 29311120), (8, 25647230), (10, 20517784), (14, 14655560), (16, 12823615), (20, 10258892), (28, 7327780), (31, 6618640), (35, 5862224), (40, 5129446), (53, 3871280), (56, 3663890), (62, 3309320), (70, 2931112), (80, 2564723), (106, 1935640), (112, 1831945), (124, 1654660), (140, 1465556), (155, 1323728), (212, 967820), (217, 945520), (223, 920080), (248, 827330), (265, 774256), (280, 732778), (310, 661864), (371, 553040), (424, 483910), (434, 472760), (446, 460040), (496, 413665), (530, 387128), (560, 366389), (620, 330932), (742, 276520), (848, 241955), (868, 236380), (892, 230020), (1060, 193564), (1085, 189104), (1115, 184016), (1240, 165466), (1484, 138260), (1561, 131440), (1643, 124880), (1736, 118190), (1784, 115010), (1855, 110608), (2120, 96782), (2170, 94552), (2230, 92008), (2480, 82733), (2968, 69130), (3122, 65720), (3286, 62440), (3472, 59095), (3568, 57505), (3710, 55304), (4240, 48391), (4340, 47276), (4460, 46004), (5936, 34565), (6244, 32860), (6572, 31220), (6913, 29680), (7420, 27652), (7805, 26288), (8215, 24976), (8680, 23638), (8920, 23002), (11501, 17840), (11819, 17360), (12488, 16430), (13144, 15610), (13826, 14840)]