2019950802400

素因数分解:

$2^5\times 5^2\times {\mathrm{331}}^1\times {\mathrm{499}}^1\times {\mathrm{15287}}^1$

素因数の和:16137

約数の個数: 144

約数和(自身を含む): 4956339024000

約数和(自身を除く): 2936388221600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 331, 400, 499, 662, 800, 998, 1324, 1655, 1996, 2495, 2648, 3310, 3992, 4990, 5296, 6620, 7984, 8275, 9980, 10592, 12475, 13240, 15287, 15968, 16550, 19960, 24950, 26480, 30574, 33100, 39920, 49900, 52960, 61148, 66200, 76435, 79840, 99800, 122296, 132400, 152870, 165169, 199600, 244592, 264800, 305740, 330338, 382175, 399200, 489184, 611480, 660676, 764350, 825845, 1222960, 1321352, 1528700, 1651690, 2445920, 2642704, 3057400, 3303380, 4129225, 5059997, 5285408, 6114800, 6606760, 7628213, 8258450, 10119994, 12229600, 13213520, 15256426, 16516900, 20239988, 25299985, 26427040, 30512852, 33033800, 38141065, 40479976, 50599970, 61025704, 66067600, 76282130, 80959952, 101199940, 122051408, 126499925, 132135200, 152564260, 161919904, 190705325, 202399880, 244102816, 252999850, 305128520, 381410650, 404799760, 505999700, 610257040, 762821300, 809599520, 1011999400, 1220514080, 1525642600, 2023998800, 2524938503, 3051285200, 4047997600, 5049877006, 6102570400, 10099754012, 12624692515, 20199508024, 25249385030, 40399016048, 50498770060, 63123462575, 80798032096, 100997540120, 126246925150, 201995080240, 252493850300, 403990160480, 504987700600, 1009975401200, 2019950802400]

約数ペア:

[(1, 2019950802400), (2, 1009975401200), (4, 504987700600), (5, 403990160480), (8, 252493850300), (10, 201995080240), (16, 126246925150), (20, 100997540120), (25, 80798032096), (32, 63123462575), (40, 50498770060), (50, 40399016048), (80, 25249385030), (100, 20199508024), (160, 12624692515), (200, 10099754012), (331, 6102570400), (400, 5049877006), (499, 4047997600), (662, 3051285200), (800, 2524938503), (998, 2023998800), (1324, 1525642600), (1655, 1220514080), (1996, 1011999400), (2495, 809599520), (2648, 762821300), (3310, 610257040), (3992, 505999700), (4990, 404799760), (5296, 381410650), (6620, 305128520), (7984, 252999850), (8275, 244102816), (9980, 202399880), (10592, 190705325), (12475, 161919904), (13240, 152564260), (15287, 132135200), (15968, 126499925), (16550, 122051408), (19960, 101199940), (24950, 80959952), (26480, 76282130), (30574, 66067600), (33100, 61025704), (39920, 50599970), (49900, 40479976), (52960, 38141065), (61148, 33033800), (66200, 30512852), (76435, 26427040), (79840, 25299985), (99800, 20239988), (122296, 16516900), (132400, 15256426), (152870, 13213520), (165169, 12229600), (199600, 10119994), (244592, 8258450), (264800, 7628213), (305740, 6606760), (330338, 6114800), (382175, 5285408), (399200, 5059997), (489184, 4129225), (611480, 3303380), (660676, 3057400), (764350, 2642704), (825845, 2445920), (1222960, 1651690), (1321352, 1528700)]