201957860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1231}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 457830912

約数和(自身を除く): 255873052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631, 1231, 1262, 2462, 2524, 3155, 4924, 6155, 6310, 8203, 12310, 12620, 16003, 16406, 24620, 32006, 32812, 41015, 64012, 80015, 82030, 160030, 164060, 320060, 776761, 1553522, 3107044, 3883805, 7767610, 10097893, 15535220, 20195786, 40391572, 50489465, 100978930, 201957860]

約数ペア:

[(1, 201957860), (2, 100978930), (4, 50489465), (5, 40391572), (10, 20195786), (13, 15535220), (20, 10097893), (26, 7767610), (52, 3883805), (65, 3107044), (130, 1553522), (260, 776761), (631, 320060), (1231, 164060), (1262, 160030), (2462, 82030), (2524, 80015), (3155, 64012), (4924, 41015), (6155, 32812), (6310, 32006), (8203, 24620), (12310, 16406), (12620, 16003)]