1613888900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28871}}^1$

素因数の和:28941

約数の個数: 72

約数和(自身を含む): 3859377984

約数和(自身を除く): 2245489084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 2150, 2236, 2795, 4300, 5590, 11180, 13975, 27950, 28871, 55900, 57742, 115484, 144355, 288710, 375323, 577420, 721775, 750646, 1241453, 1443550, 1501292, 1876615, 2482906, 2887100, 3753230, 4965812, 6207265, 7506460, 9383075, 12414530, 16138889, 18766150, 24829060, 31036325, 32277778, 37532300, 62072650, 64555556, 80694445, 124145300, 161388890, 322777780, 403472225, 806944450, 1613888900]

約数ペア:

[(1, 1613888900), (2, 806944450), (4, 403472225), (5, 322777780), (10, 161388890), (13, 124145300), (20, 80694445), (25, 64555556), (26, 62072650), (43, 37532300), (50, 32277778), (52, 31036325), (65, 24829060), (86, 18766150), (100, 16138889), (130, 12414530), (172, 9383075), (215, 7506460), (260, 6207265), (325, 4965812), (430, 3753230), (559, 2887100), (650, 2482906), (860, 1876615), (1075, 1501292), (1118, 1443550), (1300, 1241453), (2150, 750646), (2236, 721775), (2795, 577420), (4300, 375323), (5590, 288710), (11180, 144355), (13975, 115484), (27950, 57742), (28871, 55900)]