277780490920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{286289}}^1$

素因数の和:286618

約数の個数: 64

約数和(自身を含む): 633227673600

約数和(自身を除く): 355447182680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 191, 254, 382, 508, 635, 764, 955, 1016, 1270, 1528, 1910, 2540, 3820, 5080, 7640, 24257, 48514, 97028, 121285, 194056, 242570, 286289, 485140, 572578, 970280, 1145156, 1431445, 2290312, 2862890, 5725780, 11451560, 36358703, 54681199, 72717406, 109362398, 145434812, 181793515, 218724796, 273405995, 290869624, 363587030, 437449592, 546811990, 727174060, 1093623980, 1454348120, 2187247960, 6944512273, 13889024546, 27778049092, 34722561365, 55556098184, 69445122730, 138890245460, 277780490920]

約数ペア:

[(1, 277780490920), (2, 138890245460), (4, 69445122730), (5, 55556098184), (8, 34722561365), (10, 27778049092), (20, 13889024546), (40, 6944512273), (127, 2187247960), (191, 1454348120), (254, 1093623980), (382, 727174060), (508, 546811990), (635, 437449592), (764, 363587030), (955, 290869624), (1016, 273405995), (1270, 218724796), (1528, 181793515), (1910, 145434812), (2540, 109362398), (3820, 72717406), (5080, 54681199), (7640, 36358703), (24257, 11451560), (48514, 5725780), (97028, 2862890), (121285, 2290312), (194056, 1431445), (242570, 1145156), (286289, 970280), (485140, 572578)]