28895890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2693}}^1$

素因数の和:2766

約数の個数: 32

約数和(自身を含む): 55280880

約数和(自身を除く): 26384990

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 2146, 2693, 5365, 5386, 10730, 13465, 26930, 78097, 99641, 156194, 199282, 390485, 498205, 780970, 996410, 2889589, 5779178, 14447945, 28895890]

約数ペア:

[(1, 28895890), (2, 14447945), (5, 5779178), (10, 2889589), (29, 996410), (37, 780970), (58, 498205), (74, 390485), (145, 199282), (185, 156194), (290, 99641), (370, 78097), (1073, 26930), (2146, 13465), (2693, 10730), (5365, 5386)]