199845840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26861}}^1$

素因数の和:26908

約数の個数: 80

約数和(自身を含む): 639530496

約数和(自身を除く): 439684656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 26861, 53722, 80583, 107444, 134305, 161166, 214888, 268610, 322332, 402915, 429776, 537220, 644664, 805830, 832691, 1074440, 1289328, 1611660, 1665382, 2148880, 2498073, 3223320, 3330764, 4163455, 4996146, 6446640, 6661528, 8326910, 9992292, 12490365, 13323056, 16653820, 19984584, 24980730, 33307640, 39969168, 49961460, 66615280, 99922920, 199845840]

約数ペア:

[(1, 199845840), (2, 99922920), (3, 66615280), (4, 49961460), (5, 39969168), (6, 33307640), (8, 24980730), (10, 19984584), (12, 16653820), (15, 13323056), (16, 12490365), (20, 9992292), (24, 8326910), (30, 6661528), (31, 6446640), (40, 4996146), (48, 4163455), (60, 3330764), (62, 3223320), (80, 2498073), (93, 2148880), (120, 1665382), (124, 1611660), (155, 1289328), (186, 1074440), (240, 832691), (248, 805830), (310, 644664), (372, 537220), (465, 429776), (496, 402915), (620, 322332), (744, 268610), (930, 214888), (1240, 161166), (1488, 134305), (1860, 107444), (2480, 80583), (3720, 53722), (7440, 26861)]