193894945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 267960960

約数和(自身を除く): 74066015

約数列:

[1, 5, 17, 23, 41, 59, 85, 115, 205, 295, 391, 697, 943, 1003, 1357, 1681, 1955, 2419, 3485, 4715, 5015, 6785, 8405, 12095, 16031, 23069, 28577, 38663, 41123, 55637, 80155, 99179, 115345, 142885, 193315, 205615, 278185, 495895, 657271, 945829, 1686043, 2281117, 3286355, 4729145, 8430215, 11405585, 38778989, 193894945]

約数ペア:

[(1, 193894945), (5, 38778989), (17, 11405585), (23, 8430215), (41, 4729145), (59, 3286355), (85, 2281117), (115, 1686043), (205, 945829), (295, 657271), (391, 495895), (697, 278185), (943, 205615), (1003, 193315), (1357, 142885), (1681, 115345), (1955, 99179), (2419, 80155), (3485, 55637), (4715, 41123), (5015, 38663), (6785, 28577), (8405, 23069), (12095, 16031)]