249105220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19553}}^1$

素因数の和:19589

約数の個数: 72

約数和(自身を含む): 655371864

約数和(自身を除く): 406266644

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 19553, 39106, 78212, 97765, 136871, 195530, 254189, 273742, 391060, 508378, 547484, 684355, 958097, 1016756, 1270945, 1368710, 1779323, 1916194, 2541890, 2737420, 3558646, 3832388, 4790485, 5083780, 7117292, 8896615, 9580970, 12455261, 17793230, 19161940, 24910522, 35586460, 49821044, 62276305, 124552610, 249105220]

約数ペア:

[(1, 249105220), (2, 124552610), (4, 62276305), (5, 49821044), (7, 35586460), (10, 24910522), (13, 19161940), (14, 17793230), (20, 12455261), (26, 9580970), (28, 8896615), (35, 7117292), (49, 5083780), (52, 4790485), (65, 3832388), (70, 3558646), (91, 2737420), (98, 2541890), (130, 1916194), (140, 1779323), (182, 1368710), (196, 1270945), (245, 1016756), (260, 958097), (364, 684355), (455, 547484), (490, 508378), (637, 391060), (910, 273742), (980, 254189), (1274, 195530), (1820, 136871), (2548, 97765), (3185, 78212), (6370, 39106), (12740, 19553)]