28450380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9677}}^1$

素因数の和:9703

約数の個数: 72

約数和(自身を含む): 92676528

約数和(自身を除く): 64226148

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, 9677, 19354, 29031, 38708, 48385, 58062, 67739, 96770, 116124, 135478, 145155, 193540, 203217, 270956, 290310, 338695, 406434, 474173, 580620, 677390, 812868, 948346, 1016085, 1354780, 1422519, 1896692, 2032170, 2370865, 2845038, 4064340, 4741730, 5690076, 7112595, 9483460, 14225190, 28450380]

約数ペア:

[(1, 28450380), (2, 14225190), (3, 9483460), (4, 7112595), (5, 5690076), (6, 4741730), (7, 4064340), (10, 2845038), (12, 2370865), (14, 2032170), (15, 1896692), (20, 1422519), (21, 1354780), (28, 1016085), (30, 948346), (35, 812868), (42, 677390), (49, 580620), (60, 474173), (70, 406434), (84, 338695), (98, 290310), (105, 270956), (140, 203217), (147, 193540), (196, 145155), (210, 135478), (245, 116124), (294, 96770), (420, 67739), (490, 58062), (588, 48385), (735, 38708), (980, 29031), (1470, 19354), (2940, 9677)]