7998900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 28581504

約数和(自身を除く): 20582604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 293, 300, 325, 350, 364, 390, 420, 455, 525, 546, 586, 650, 700, 780, 879, 910, 975, 1050, 1092, 1172, 1300, 1365, 1465, 1758, 1820, 1950, 2051, 2100, 2275, 2730, 2930, 3516, 3809, 3900, 4102, 4395, 4550, 5460, 5860, 6153, 6825, 7325, 7618, 8204, 8790, 9100, 10255, 11427, 12306, 13650, 14650, 15236, 17580, 19045, 20510, 21975, 22854, 24612, 26663, 27300, 29300, 30765, 38090, 41020, 43950, 45708, 51275, 53326, 57135, 61530, 76180, 79989, 87900, 95225, 102550, 106652, 114270, 123060, 133315, 153825, 159978, 190450, 205100, 228540, 266630, 285675, 307650, 319956, 380900, 399945, 533260, 571350, 615300, 666575, 799890, 1142700, 1333150, 1599780, 1999725, 2666300, 3999450, 7998900]

約数ペア:

[(1, 7998900), (2, 3999450), (3, 2666300), (4, 1999725), (5, 1599780), (6, 1333150), (7, 1142700), (10, 799890), (12, 666575), (13, 615300), (14, 571350), (15, 533260), (20, 399945), (21, 380900), (25, 319956), (26, 307650), (28, 285675), (30, 266630), (35, 228540), (39, 205100), (42, 190450), (50, 159978), (52, 153825), (60, 133315), (65, 123060), (70, 114270), (75, 106652), (78, 102550), (84, 95225), (91, 87900), (100, 79989), (105, 76180), (130, 61530), (140, 57135), (150, 53326), (156, 51275), (175, 45708), (182, 43950), (195, 41020), (210, 38090), (260, 30765), (273, 29300), (293, 27300), (300, 26663), (325, 24612), (350, 22854), (364, 21975), (390, 20510), (420, 19045), (455, 17580), (525, 15236), (546, 14650), (586, 13650), (650, 12306), (700, 11427), (780, 10255), (879, 9100), (910, 8790), (975, 8204), (1050, 7618), (1092, 7325), (1172, 6825), (1300, 6153), (1365, 5860), (1465, 5460), (1758, 4550), (1820, 4395), (1950, 4102), (2051, 3900), (2100, 3809), (2275, 3516), (2730, 2930)]