39780300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 138602240

約数和(自身を除く): 98821940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 798, 950, 997, 1050, 1140, 1330, 1425, 1596, 1900, 1994, 1995, 2100, 2660, 2850, 2991, 3325, 3988, 3990, 4985, 5700, 5982, 6650, 6979, 7980, 9970, 9975, 11964, 13300, 13958, 14955, 18943, 19940, 19950, 20937, 24925, 27916, 29910, 34895, 37886, 39900, 41874, 49850, 56829, 59820, 69790, 74775, 75772, 83748, 94715, 99700, 104685, 113658, 132601, 139580, 149550, 174475, 189430, 209370, 227316, 265202, 284145, 299100, 348950, 378860, 397803, 418740, 473575, 523425, 530404, 568290, 663005, 697900, 795606, 947150, 1046850, 1136580, 1326010, 1420725, 1591212, 1894300, 1989015, 2093700, 2652020, 2841450, 3315025, 3978030, 5682900, 6630050, 7956060, 9945075, 13260100, 19890150, 39780300]

約数ペア:

[(1, 39780300), (2, 19890150), (3, 13260100), (4, 9945075), (5, 7956060), (6, 6630050), (7, 5682900), (10, 3978030), (12, 3315025), (14, 2841450), (15, 2652020), (19, 2093700), (20, 1989015), (21, 1894300), (25, 1591212), (28, 1420725), (30, 1326010), (35, 1136580), (38, 1046850), (42, 947150), (50, 795606), (57, 697900), (60, 663005), (70, 568290), (75, 530404), (76, 523425), (84, 473575), (95, 418740), (100, 397803), (105, 378860), (114, 348950), (133, 299100), (140, 284145), (150, 265202), (175, 227316), (190, 209370), (210, 189430), (228, 174475), (266, 149550), (285, 139580), (300, 132601), (350, 113658), (380, 104685), (399, 99700), (420, 94715), (475, 83748), (525, 75772), (532, 74775), (570, 69790), (665, 59820), (700, 56829), (798, 49850), (950, 41874), (997, 39900), (1050, 37886), (1140, 34895), (1330, 29910), (1425, 27916), (1596, 24925), (1900, 20937), (1994, 19950), (1995, 19940), (2100, 18943), (2660, 14955), (2850, 13958), (2991, 13300), (3325, 11964), (3988, 9975), (3990, 9970), (4985, 7980), (5700, 6979), (5982, 6650)]