720334628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 1376390400

約数和(自身を除く): 656055772

約数列:

[1, 2, 4, 13, 26, 52, 151, 199, 302, 398, 461, 604, 796, 922, 1844, 1963, 2587, 3926, 5174, 5993, 7852, 10348, 11986, 23972, 30049, 60098, 69611, 91739, 120196, 139222, 183478, 278444, 366956, 390637, 781274, 904943, 1192607, 1562548, 1809886, 2385214, 3619772, 4770428, 13852589, 27705178, 55410356, 180083657, 360167314, 720334628]

約数ペア:

[(1, 720334628), (2, 360167314), (4, 180083657), (13, 55410356), (26, 27705178), (52, 13852589), (151, 4770428), (199, 3619772), (302, 2385214), (398, 1809886), (461, 1562548), (604, 1192607), (796, 904943), (922, 781274), (1844, 390637), (1963, 366956), (2587, 278444), (3926, 183478), (5174, 139222), (5993, 120196), (7852, 91739), (10348, 69611), (11986, 60098), (23972, 30049)]