28931700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 99993600

約数和(自身を除く): 71061900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 175, 210, 230, 276, 300, 322, 345, 350, 420, 460, 483, 525, 575, 599, 644, 690, 700, 805, 966, 1050, 1150, 1198, 1380, 1610, 1725, 1797, 1932, 2100, 2300, 2396, 2415, 2995, 3220, 3450, 3594, 4025, 4193, 4830, 5990, 6900, 7188, 8050, 8386, 8985, 9660, 11980, 12075, 12579, 13777, 14975, 16100, 16772, 17970, 20965, 24150, 25158, 27554, 29950, 35940, 41331, 41930, 44925, 48300, 50316, 55108, 59900, 62895, 68885, 82662, 83860, 89850, 96439, 104825, 125790, 137770, 165324, 179700, 192878, 206655, 209650, 251580, 275540, 289317, 314475, 344425, 385756, 413310, 419300, 482195, 578634, 628950, 688850, 826620, 964390, 1033275, 1157268, 1257900, 1377700, 1446585, 1928780, 2066550, 2410975, 2893170, 4133100, 4821950, 5786340, 7232925, 9643900, 14465850, 28931700]

約数ペア:

[(1, 28931700), (2, 14465850), (3, 9643900), (4, 7232925), (5, 5786340), (6, 4821950), (7, 4133100), (10, 2893170), (12, 2410975), (14, 2066550), (15, 1928780), (20, 1446585), (21, 1377700), (23, 1257900), (25, 1157268), (28, 1033275), (30, 964390), (35, 826620), (42, 688850), (46, 628950), (50, 578634), (60, 482195), (69, 419300), (70, 413310), (75, 385756), (84, 344425), (92, 314475), (100, 289317), (105, 275540), (115, 251580), (138, 209650), (140, 206655), (150, 192878), (161, 179700), (175, 165324), (210, 137770), (230, 125790), (276, 104825), (300, 96439), (322, 89850), (345, 83860), (350, 82662), (420, 68885), (460, 62895), (483, 59900), (525, 55108), (575, 50316), (599, 48300), (644, 44925), (690, 41930), (700, 41331), (805, 35940), (966, 29950), (1050, 27554), (1150, 25158), (1198, 24150), (1380, 20965), (1610, 17970), (1725, 16772), (1797, 16100), (1932, 14975), (2100, 13777), (2300, 12579), (2396, 12075), (2415, 11980), (2995, 9660), (3220, 8985), (3450, 8386), (3594, 8050), (4025, 7188), (4193, 6900), (4830, 5990)]