253138330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 513216000

約数和(自身を除く): 260077670

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 109, 170, 190, 218, 323, 545, 646, 719, 1090, 1438, 1615, 1853, 2071, 3230, 3595, 3706, 4142, 7190, 9265, 10355, 12223, 13661, 18530, 20710, 24446, 27322, 35207, 61115, 68305, 70414, 78371, 122230, 136610, 156742, 176035, 232237, 352070, 391855, 464474, 783710, 1161185, 1332307, 1489049, 2322370, 2664614, 2978098, 6661535, 7445245, 13323070, 14890490, 25313833, 50627666, 126569165, 253138330]

約数ペア:

[(1, 253138330), (2, 126569165), (5, 50627666), (10, 25313833), (17, 14890490), (19, 13323070), (34, 7445245), (38, 6661535), (85, 2978098), (95, 2664614), (109, 2322370), (170, 1489049), (190, 1332307), (218, 1161185), (323, 783710), (545, 464474), (646, 391855), (719, 352070), (1090, 232237), (1438, 176035), (1615, 156742), (1853, 136610), (2071, 122230), (3230, 78371), (3595, 70414), (3706, 68305), (4142, 61115), (7190, 35207), (9265, 27322), (10355, 24446), (12223, 20710), (13661, 18530)]