74848040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 174994560

約数和(自身を除く): 100146520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 103, 148, 185, 206, 296, 370, 412, 491, 515, 740, 824, 982, 1030, 1480, 1964, 2060, 2455, 3811, 3928, 4120, 4910, 7622, 9820, 15244, 18167, 19055, 19640, 30488, 36334, 38110, 50573, 72668, 76220, 90835, 101146, 145336, 152440, 181670, 202292, 252865, 363340, 404584, 505730, 726680, 1011460, 1871201, 2022920, 3742402, 7484804, 9356005, 14969608, 18712010, 37424020, 74848040]

約数ペア:

[(1, 74848040), (2, 37424020), (4, 18712010), (5, 14969608), (8, 9356005), (10, 7484804), (20, 3742402), (37, 2022920), (40, 1871201), (74, 1011460), (103, 726680), (148, 505730), (185, 404584), (206, 363340), (296, 252865), (370, 202292), (412, 181670), (491, 152440), (515, 145336), (740, 101146), (824, 90835), (982, 76220), (1030, 72668), (1480, 50573), (1964, 38110), (2060, 36334), (2455, 30488), (3811, 19640), (3928, 19055), (4120, 18167), (4910, 15244), (7622, 9820)]