249577900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 657957888

約数和(自身を除く): 408379988

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 31, 44, 50, 52, 55, 62, 65, 100, 110, 124, 130, 143, 155, 220, 260, 275, 286, 310, 325, 341, 403, 550, 563, 572, 620, 650, 682, 715, 775, 806, 1100, 1126, 1300, 1364, 1430, 1550, 1612, 1705, 2015, 2252, 2815, 2860, 3100, 3410, 3575, 4030, 4433, 5630, 6193, 6820, 7150, 7319, 8060, 8525, 8866, 10075, 11260, 12386, 14075, 14300, 14638, 17050, 17453, 17732, 20150, 22165, 24772, 28150, 29276, 30965, 34100, 34906, 36595, 40300, 44330, 56300, 61930, 69812, 73190, 80509, 87265, 88660, 110825, 123860, 146380, 154825, 161018, 174530, 182975, 191983, 221650, 226889, 309650, 322036, 349060, 365950, 383966, 402545, 436325, 443300, 453778, 619300, 731900, 767932, 805090, 872650, 907556, 959915, 1134445, 1610180, 1745300, 1919830, 2012725, 2268890, 2495779, 3839660, 4025450, 4537780, 4799575, 4991558, 5672225, 8050900, 9599150, 9983116, 11344450, 12478895, 19198300, 22688900, 24957790, 49915580, 62394475, 124788950, 249577900]

約数ペア:

[(1, 249577900), (2, 124788950), (4, 62394475), (5, 49915580), (10, 24957790), (11, 22688900), (13, 19198300), (20, 12478895), (22, 11344450), (25, 9983116), (26, 9599150), (31, 8050900), (44, 5672225), (50, 4991558), (52, 4799575), (55, 4537780), (62, 4025450), (65, 3839660), (100, 2495779), (110, 2268890), (124, 2012725), (130, 1919830), (143, 1745300), (155, 1610180), (220, 1134445), (260, 959915), (275, 907556), (286, 872650), (310, 805090), (325, 767932), (341, 731900), (403, 619300), (550, 453778), (563, 443300), (572, 436325), (620, 402545), (650, 383966), (682, 365950), (715, 349060), (775, 322036), (806, 309650), (1100, 226889), (1126, 221650), (1300, 191983), (1364, 182975), (1430, 174530), (1550, 161018), (1612, 154825), (1705, 146380), (2015, 123860), (2252, 110825), (2815, 88660), (2860, 87265), (3100, 80509), (3410, 73190), (3575, 69812), (4030, 61930), (4433, 56300), (5630, 44330), (6193, 40300), (6820, 36595), (7150, 34906), (7319, 34100), (8060, 30965), (8525, 29276), (8866, 28150), (10075, 24772), (11260, 22165), (12386, 20150), (14075, 17732), (14300, 17453), (14638, 17050)]