158584220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 355001472

約数和(自身を除く): 196417252

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 223, 310, 370, 446, 620, 740, 892, 961, 1115, 1147, 1922, 2230, 2294, 3844, 4460, 4588, 4805, 5735, 6913, 8251, 9610, 11470, 13826, 16502, 19220, 22940, 27652, 33004, 34565, 35557, 41255, 69130, 71114, 82510, 138260, 142228, 165020, 177785, 214303, 255781, 355570, 428606, 511562, 711140, 857212, 1023124, 1071515, 1278905, 2143030, 2557810, 4286060, 5115620, 7929211, 15858422, 31716844, 39646055, 79292110, 158584220]

約数ペア:

[(1, 158584220), (2, 79292110), (4, 39646055), (5, 31716844), (10, 15858422), (20, 7929211), (31, 5115620), (37, 4286060), (62, 2557810), (74, 2143030), (124, 1278905), (148, 1071515), (155, 1023124), (185, 857212), (223, 711140), (310, 511562), (370, 428606), (446, 355570), (620, 255781), (740, 214303), (892, 177785), (961, 165020), (1115, 142228), (1147, 138260), (1922, 82510), (2230, 71114), (2294, 69130), (3844, 41255), (4460, 35557), (4588, 34565), (4805, 33004), (5735, 27652), (6913, 22940), (8251, 19220), (9610, 16502), (11470, 13826)]