249654160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 697669632

約数和(自身を除く): 448015472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 197, 217, 248, 280, 292, 310, 365, 394, 434, 496, 511, 560, 584, 620, 730, 788, 868, 985, 1022, 1085, 1168, 1240, 1379, 1460, 1576, 1736, 1970, 2044, 2170, 2263, 2480, 2555, 2758, 2920, 3152, 3472, 3940, 4088, 4340, 4526, 5110, 5516, 5840, 6107, 6895, 7880, 8176, 8680, 9052, 10220, 11032, 11315, 12214, 13790, 14381, 15760, 15841, 17360, 18104, 20440, 22064, 22630, 24428, 27580, 28762, 30535, 31682, 36208, 40880, 42749, 45260, 48856, 55160, 57524, 61070, 63364, 71905, 79205, 85498, 90520, 97712, 100667, 110320, 115048, 122140, 126728, 143810, 158410, 170996, 181040, 201334, 213745, 230096, 244280, 253456, 287620, 316820, 341992, 402668, 427490, 445811, 488560, 503335, 575240, 633640, 683984, 805336, 854980, 891622, 1006670, 1150480, 1267280, 1610672, 1709960, 1783244, 2013340, 2229055, 3120677, 3419920, 3566488, 4026680, 4458110, 6241354, 7132976, 8053360, 8916220, 12482708, 15603385, 17832440, 24965416, 31206770, 35664880, 49930832, 62413540, 124827080, 249654160]

約数ペア:

[(1, 249654160), (2, 124827080), (4, 62413540), (5, 49930832), (7, 35664880), (8, 31206770), (10, 24965416), (14, 17832440), (16, 15603385), (20, 12482708), (28, 8916220), (31, 8053360), (35, 7132976), (40, 6241354), (56, 4458110), (62, 4026680), (70, 3566488), (73, 3419920), (80, 3120677), (112, 2229055), (124, 2013340), (140, 1783244), (146, 1709960), (155, 1610672), (197, 1267280), (217, 1150480), (248, 1006670), (280, 891622), (292, 854980), (310, 805336), (365, 683984), (394, 633640), (434, 575240), (496, 503335), (511, 488560), (560, 445811), (584, 427490), (620, 402668), (730, 341992), (788, 316820), (868, 287620), (985, 253456), (1022, 244280), (1085, 230096), (1168, 213745), (1240, 201334), (1379, 181040), (1460, 170996), (1576, 158410), (1736, 143810), (1970, 126728), (2044, 122140), (2170, 115048), (2263, 110320), (2480, 100667), (2555, 97712), (2758, 90520), (2920, 85498), (3152, 79205), (3472, 71905), (3940, 63364), (4088, 61070), (4340, 57524), (4526, 55160), (5110, 48856), (5516, 45260), (5840, 42749), (6107, 40880), (6895, 36208), (7880, 31682), (8176, 30535), (8680, 28762), (9052, 27580), (10220, 24428), (11032, 22630), (11315, 22064), (12214, 20440), (13790, 18104), (14381, 17360), (15760, 15841)]