2019505840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 160

約数和(自身を含む): 5291661312

約数和(自身を除く): 3272155472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 223, 251, 328, 410, 440, 446, 451, 502, 656, 820, 880, 892, 902, 1004, 1115, 1255, 1640, 1784, 1804, 2008, 2230, 2255, 2453, 2510, 2761, 3280, 3568, 3608, 4016, 4460, 4510, 4906, 5020, 5522, 7216, 8920, 9020, 9143, 9812, 10040, 10291, 11044, 12265, 13805, 17840, 18040, 18286, 19624, 20080, 20582, 22088, 24530, 27610, 36080, 36572, 39248, 41164, 44176, 45715, 49060, 51455, 55220, 55973, 73144, 82328, 91430, 98120, 100573, 102910, 110440, 111946, 113201, 146288, 164656, 182860, 196240, 201146, 205820, 220880, 223892, 226402, 279865, 365720, 402292, 411640, 447784, 452804, 502865, 559730, 566005, 615703, 731440, 804584, 823280, 895568, 905608, 1005730, 1119460, 1132010, 1231406, 1609168, 1811216, 2011460, 2238920, 2264020, 2294893, 2462812, 3078515, 4022920, 4477840, 4528040, 4589786, 4925624, 6157030, 8045840, 9056080, 9179572, 9851248, 11474465, 12314060, 18359144, 22948930, 24628120, 25243823, 36718288, 45897860, 49256240, 50487646, 91795720, 100975292, 126219115, 183591440, 201950584, 252438230, 403901168, 504876460, 1009752920, 2019505840]

約数ペア:

[(1, 2019505840), (2, 1009752920), (4, 504876460), (5, 403901168), (8, 252438230), (10, 201950584), (11, 183591440), (16, 126219115), (20, 100975292), (22, 91795720), (40, 50487646), (41, 49256240), (44, 45897860), (55, 36718288), (80, 25243823), (82, 24628120), (88, 22948930), (110, 18359144), (164, 12314060), (176, 11474465), (205, 9851248), (220, 9179572), (223, 9056080), (251, 8045840), (328, 6157030), (410, 4925624), (440, 4589786), (446, 4528040), (451, 4477840), (502, 4022920), (656, 3078515), (820, 2462812), (880, 2294893), (892, 2264020), (902, 2238920), (1004, 2011460), (1115, 1811216), (1255, 1609168), (1640, 1231406), (1784, 1132010), (1804, 1119460), (2008, 1005730), (2230, 905608), (2255, 895568), (2453, 823280), (2510, 804584), (2761, 731440), (3280, 615703), (3568, 566005), (3608, 559730), (4016, 502865), (4460, 452804), (4510, 447784), (4906, 411640), (5020, 402292), (5522, 365720), (7216, 279865), (8920, 226402), (9020, 223892), (9143, 220880), (9812, 205820), (10040, 201146), (10291, 196240), (11044, 182860), (12265, 164656), (13805, 146288), (17840, 113201), (18040, 111946), (18286, 110440), (19624, 102910), (20080, 100573), (20582, 98120), (22088, 91430), (24530, 82328), (27610, 73144), (36080, 55973), (36572, 55220), (39248, 51455), (41164, 49060), (44176, 45715)]