188779900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{379}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 436378320

約数和(自身を除く): 247598420

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 293, 340, 379, 425, 586, 758, 850, 1172, 1465, 1516, 1700, 1895, 2930, 3790, 4981, 5860, 6443, 7325, 7580, 9475, 9962, 12886, 14650, 18950, 19924, 24905, 25772, 29300, 32215, 37900, 49810, 64430, 99620, 111047, 124525, 128860, 161075, 222094, 249050, 322150, 444188, 498100, 555235, 644300, 1110470, 1887799, 2220940, 2776175, 3775598, 5552350, 7551196, 9438995, 11104700, 18877990, 37755980, 47194975, 94389950, 188779900]

約数ペア:

[(1, 188779900), (2, 94389950), (4, 47194975), (5, 37755980), (10, 18877990), (17, 11104700), (20, 9438995), (25, 7551196), (34, 5552350), (50, 3775598), (68, 2776175), (85, 2220940), (100, 1887799), (170, 1110470), (293, 644300), (340, 555235), (379, 498100), (425, 444188), (586, 322150), (758, 249050), (850, 222094), (1172, 161075), (1465, 128860), (1516, 124525), (1700, 111047), (1895, 99620), (2930, 64430), (3790, 49810), (4981, 37900), (5860, 32215), (6443, 29300), (7325, 25772), (7580, 24905), (9475, 19924), (9962, 18950), (12886, 14650)]