73278940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{18049}}^1$

素因数の和:18094

約数の個数: 48

約数和(自身を含む): 181944000

約数和(自身を除く): 108665060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 18049, 36098, 72196, 90245, 126343, 180490, 252686, 360980, 505372, 523421, 631715, 1046842, 1263430, 2093684, 2526860, 2617105, 3663947, 5234210, 7327894, 10468420, 14655788, 18319735, 36639470, 73278940]

約数ペア:

[(1, 73278940), (2, 36639470), (4, 18319735), (5, 14655788), (7, 10468420), (10, 7327894), (14, 5234210), (20, 3663947), (28, 2617105), (29, 2526860), (35, 2093684), (58, 1263430), (70, 1046842), (116, 631715), (140, 523421), (145, 505372), (203, 360980), (290, 252686), (406, 180490), (580, 126343), (812, 90245), (1015, 72196), (2030, 36098), (4060, 18049)]