84781970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 189374976

約数和(自身を除く): 104593006

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 151, 182, 302, 455, 617, 755, 910, 1057, 1234, 1510, 1963, 2114, 3085, 3926, 4319, 5285, 6170, 8021, 8638, 9815, 10570, 13741, 16042, 19630, 21595, 27482, 40105, 43190, 56147, 68705, 80210, 93167, 112294, 137410, 186334, 280735, 465835, 561470, 652169, 931670, 1211171, 1304338, 2422342, 3260845, 6055855, 6521690, 8478197, 12111710, 16956394, 42390985, 84781970]

約数ペア:

[(1, 84781970), (2, 42390985), (5, 16956394), (7, 12111710), (10, 8478197), (13, 6521690), (14, 6055855), (26, 3260845), (35, 2422342), (65, 1304338), (70, 1211171), (91, 931670), (130, 652169), (151, 561470), (182, 465835), (302, 280735), (455, 186334), (617, 137410), (755, 112294), (910, 93167), (1057, 80210), (1234, 68705), (1510, 56147), (1963, 43190), (2114, 40105), (3085, 27482), (3926, 21595), (4319, 19630), (5285, 16042), (6170, 13741), (8021, 10570), (8638, 9815)]