78443260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^2$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 196166880

約数和(自身を除く): 117723620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 139, 140, 145, 203, 278, 290, 406, 556, 580, 695, 812, 973, 1015, 1390, 1946, 2030, 2780, 3892, 4031, 4060, 4865, 8062, 9730, 16124, 19321, 19460, 20155, 28217, 38642, 40310, 56434, 77284, 80620, 96605, 112868, 135247, 141085, 193210, 270494, 282170, 386420, 540988, 560309, 564340, 676235, 1120618, 1352470, 2241236, 2704940, 2801545, 3922163, 5603090, 7844326, 11206180, 15688652, 19610815, 39221630, 78443260]

約数ペア:

[(1, 78443260), (2, 39221630), (4, 19610815), (5, 15688652), (7, 11206180), (10, 7844326), (14, 5603090), (20, 3922163), (28, 2801545), (29, 2704940), (35, 2241236), (58, 1352470), (70, 1120618), (116, 676235), (139, 564340), (140, 560309), (145, 540988), (203, 386420), (278, 282170), (290, 270494), (406, 193210), (556, 141085), (580, 135247), (695, 112868), (812, 96605), (973, 80620), (1015, 77284), (1390, 56434), (1946, 40310), (2030, 38642), (2780, 28217), (3892, 20155), (4031, 19460), (4060, 19321), (4865, 16124), (8062, 9730)]