89180800

素因数分解:

$2^7\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 235489950

約数和(自身を除く): 146309150

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 32, 40, 50, 58, 62, 64, 80, 100, 116, 124, 128, 145, 155, 160, 200, 232, 248, 290, 310, 320, 400, 464, 496, 580, 620, 640, 725, 775, 800, 899, 928, 961, 992, 1160, 1240, 1450, 1550, 1600, 1798, 1856, 1922, 1984, 2320, 2480, 2900, 3100, 3200, 3596, 3712, 3844, 3968, 4495, 4640, 4805, 4960, 5800, 6200, 7192, 7688, 8990, 9280, 9610, 9920, 11600, 12400, 14384, 15376, 17980, 18560, 19220, 19840, 22475, 23200, 24025, 24800, 27869, 28768, 30752, 35960, 38440, 44950, 46400, 48050, 49600, 55738, 57536, 61504, 71920, 76880, 89900, 92800, 96100, 99200, 111476, 115072, 123008, 139345, 143840, 153760, 179800, 192200, 222952, 278690, 287680, 307520, 359600, 384400, 445904, 557380, 575360, 615040, 696725, 719200, 768800, 891808, 1114760, 1393450, 1438400, 1537600, 1783616, 2229520, 2786900, 2876800, 3075200, 3567232, 4459040, 5573800, 8918080, 11147600, 17836160, 22295200, 44590400, 89180800]

約数ペア:

[(1, 89180800), (2, 44590400), (4, 22295200), (5, 17836160), (8, 11147600), (10, 8918080), (16, 5573800), (20, 4459040), (25, 3567232), (29, 3075200), (31, 2876800), (32, 2786900), (40, 2229520), (50, 1783616), (58, 1537600), (62, 1438400), (64, 1393450), (80, 1114760), (100, 891808), (116, 768800), (124, 719200), (128, 696725), (145, 615040), (155, 575360), (160, 557380), (200, 445904), (232, 384400), (248, 359600), (290, 307520), (310, 287680), (320, 278690), (400, 222952), (464, 192200), (496, 179800), (580, 153760), (620, 143840), (640, 139345), (725, 123008), (775, 115072), (800, 111476), (899, 99200), (928, 96100), (961, 92800), (992, 89900), (1160, 76880), (1240, 71920), (1450, 61504), (1550, 57536), (1600, 55738), (1798, 49600), (1856, 48050), (1922, 46400), (1984, 44950), (2320, 38440), (2480, 35960), (2900, 30752), (3100, 28768), (3200, 27869), (3596, 24800), (3712, 24025), (3844, 23200), (3968, 22475), (4495, 19840), (4640, 19220), (4805, 18560), (4960, 17980), (5800, 15376), (6200, 14384), (7192, 12400), (7688, 11600), (8990, 9920), (9280, 9610)]