199271720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{593}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 465315840

約数和(自身を除く): 266044120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 542, 593, 620, 1084, 1186, 1240, 1355, 2168, 2372, 2710, 2965, 4744, 5420, 5930, 8401, 10840, 11860, 16802, 18383, 23720, 33604, 36766, 42005, 67208, 73532, 84010, 91915, 147064, 160703, 168020, 183830, 321406, 336040, 367660, 642812, 735320, 803515, 1285624, 1607030, 3214060, 4981793, 6428120, 9963586, 19927172, 24908965, 39854344, 49817930, 99635860, 199271720]

約数ペア:

[(1, 199271720), (2, 99635860), (4, 49817930), (5, 39854344), (8, 24908965), (10, 19927172), (20, 9963586), (31, 6428120), (40, 4981793), (62, 3214060), (124, 1607030), (155, 1285624), (248, 803515), (271, 735320), (310, 642812), (542, 367660), (593, 336040), (620, 321406), (1084, 183830), (1186, 168020), (1240, 160703), (1355, 147064), (2168, 91915), (2372, 84010), (2710, 73532), (2965, 67208), (4744, 42005), (5420, 36766), (5930, 33604), (8401, 23720), (10840, 18383), (11860, 16802)]