498449840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 1367591040

約数和(自身を除く): 869141200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 89, 112, 137, 140, 146, 178, 274, 280, 292, 356, 365, 445, 511, 548, 560, 584, 623, 685, 712, 730, 890, 959, 1022, 1096, 1168, 1246, 1370, 1424, 1460, 1780, 1918, 2044, 2192, 2492, 2555, 2740, 2920, 3115, 3560, 3836, 4088, 4795, 4984, 5110, 5480, 5840, 6230, 6497, 7120, 7672, 8176, 9590, 9968, 10001, 10220, 10960, 12193, 12460, 12994, 15344, 19180, 20002, 20440, 24386, 24920, 25988, 32485, 38360, 40004, 40880, 45479, 48772, 49840, 50005, 51976, 60965, 64970, 70007, 76720, 80008, 85351, 90958, 97544, 100010, 103952, 121930, 129940, 140014, 160016, 170702, 181916, 195088, 200020, 227395, 243860, 259880, 280028, 341404, 350035, 363832, 400040, 426755, 454790, 487720, 519760, 560056, 682808, 700070, 727664, 800080, 853510, 890089, 909580, 975440, 1120112, 1365616, 1400140, 1707020, 1780178, 1819160, 2800280, 3414040, 3560356, 3638320, 4450445, 5600560, 6230623, 6828080, 7120712, 8900890, 12461246, 14241424, 17801780, 24922492, 31153115, 35603560, 49844984, 62306230, 71207120, 99689968, 124612460, 249224920, 498449840]

約数ペア:

[(1, 498449840), (2, 249224920), (4, 124612460), (5, 99689968), (7, 71207120), (8, 62306230), (10, 49844984), (14, 35603560), (16, 31153115), (20, 24922492), (28, 17801780), (35, 14241424), (40, 12461246), (56, 8900890), (70, 7120712), (73, 6828080), (80, 6230623), (89, 5600560), (112, 4450445), (137, 3638320), (140, 3560356), (146, 3414040), (178, 2800280), (274, 1819160), (280, 1780178), (292, 1707020), (356, 1400140), (365, 1365616), (445, 1120112), (511, 975440), (548, 909580), (560, 890089), (584, 853510), (623, 800080), (685, 727664), (712, 700070), (730, 682808), (890, 560056), (959, 519760), (1022, 487720), (1096, 454790), (1168, 426755), (1246, 400040), (1370, 363832), (1424, 350035), (1460, 341404), (1780, 280028), (1918, 259880), (2044, 243860), (2192, 227395), (2492, 200020), (2555, 195088), (2740, 181916), (2920, 170702), (3115, 160016), (3560, 140014), (3836, 129940), (4088, 121930), (4795, 103952), (4984, 100010), (5110, 97544), (5480, 90958), (5840, 85351), (6230, 80008), (6497, 76720), (7120, 70007), (7672, 64970), (8176, 60965), (9590, 51976), (9968, 50005), (10001, 49840), (10220, 48772), (10960, 45479), (12193, 40880), (12460, 40004), (12994, 38360), (15344, 32485), (19180, 25988), (20002, 24920), (20440, 24386)]