427525980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{145417}}^1$

素因数の和:145443

約数の個数: 72

約数和(自身を含む): 1392522768

約数和(自身を除く): 964996788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 145417, 290834, 436251, 581668, 727085, 872502, 1017919, 1454170, 1745004, 2035838, 2181255, 2908340, 3053757, 4071676, 4362510, 5089595, 6107514, 7125433, 8725020, 10179190, 12215028, 14250866, 15268785, 20358380, 21376299, 28501732, 30537570, 35627165, 42752598, 61075140, 71254330, 85505196, 106881495, 142508660, 213762990, 427525980]

約数ペア:

[(1, 427525980), (2, 213762990), (3, 142508660), (4, 106881495), (5, 85505196), (6, 71254330), (7, 61075140), (10, 42752598), (12, 35627165), (14, 30537570), (15, 28501732), (20, 21376299), (21, 20358380), (28, 15268785), (30, 14250866), (35, 12215028), (42, 10179190), (49, 8725020), (60, 7125433), (70, 6107514), (84, 5089595), (98, 4362510), (105, 4071676), (140, 3053757), (147, 2908340), (196, 2181255), (210, 2035838), (245, 1745004), (294, 1454170), (420, 1017919), (490, 872502), (588, 727085), (735, 581668), (980, 436251), (1470, 290834), (2940, 145417)]