9780190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4507}}^1$

素因数の和:4552

約数の個数: 32

約数和(自身を含む): 20772864

約数和(自身を除く): 10992674

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 4507, 9014, 22535, 31549, 45070, 63098, 139717, 157745, 279434, 315490, 698585, 978019, 1397170, 1956038, 4890095, 9780190]

約数ペア:

[(1, 9780190), (2, 4890095), (5, 1956038), (7, 1397170), (10, 978019), (14, 698585), (31, 315490), (35, 279434), (62, 157745), (70, 139717), (155, 63098), (217, 45070), (310, 31549), (434, 22535), (1085, 9014), (2170, 4507)]