349969750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 709974720

約数和(自身を除く): 360004970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 257, 325, 419, 514, 650, 838, 1285, 1625, 2095, 2570, 3250, 3341, 4190, 5447, 6425, 6682, 10475, 10894, 12850, 16705, 20950, 27235, 32125, 33410, 52375, 54470, 64250, 83525, 104750, 107683, 136175, 167050, 215366, 272350, 417625, 538415, 680875, 835250, 1076830, 1361750, 1399879, 2692075, 2799758, 5384150, 6999395, 13460375, 13998790, 26920750, 34996975, 69993950, 174984875, 349969750]

約数ペア:

[(1, 349969750), (2, 174984875), (5, 69993950), (10, 34996975), (13, 26920750), (25, 13998790), (26, 13460375), (50, 6999395), (65, 5384150), (125, 2799758), (130, 2692075), (250, 1399879), (257, 1361750), (325, 1076830), (419, 835250), (514, 680875), (650, 538415), (838, 417625), (1285, 272350), (1625, 215366), (2095, 167050), (2570, 136175), (3250, 107683), (3341, 104750), (4190, 83525), (5447, 64250), (6425, 54470), (6682, 52375), (10475, 33410), (10894, 32125), (12850, 27235), (16705, 20950)]