208345060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 563068800

約数和(自身を除く): 354723740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 251, 308, 343, 385, 484, 490, 502, 539, 605, 686, 770, 847, 980, 1004, 1078, 1210, 1255, 1372, 1540, 1694, 1715, 1757, 2156, 2420, 2510, 2695, 2761, 3388, 3430, 3514, 3773, 4235, 5020, 5390, 5522, 5929, 6860, 7028, 7546, 8470, 8785, 10780, 11044, 11858, 12299, 13805, 15092, 16940, 17570, 18865, 19327, 23716, 24598, 27610, 29645, 30371, 35140, 37730, 38654, 41503, 49196, 55220, 59290, 60742, 61495, 75460, 77308, 83006, 86093, 96635, 118580, 121484, 122990, 135289, 151855, 166012, 172186, 193270, 207515, 212597, 245980, 270578, 303710, 344372, 386540, 415030, 425194, 430465, 541156, 607420, 676445, 830060, 850388, 860930, 947023, 1062985, 1352890, 1488179, 1721860, 1894046, 2125970, 2705780, 2976358, 3788092, 4251940, 4735115, 5952716, 7440895, 9470230, 10417253, 14881790, 18940460, 20834506, 29763580, 41669012, 52086265, 104172530, 208345060]

約数ペア:

[(1, 208345060), (2, 104172530), (4, 52086265), (5, 41669012), (7, 29763580), (10, 20834506), (11, 18940460), (14, 14881790), (20, 10417253), (22, 9470230), (28, 7440895), (35, 5952716), (44, 4735115), (49, 4251940), (55, 3788092), (70, 2976358), (77, 2705780), (98, 2125970), (110, 1894046), (121, 1721860), (140, 1488179), (154, 1352890), (196, 1062985), (220, 947023), (242, 860930), (245, 850388), (251, 830060), (308, 676445), (343, 607420), (385, 541156), (484, 430465), (490, 425194), (502, 415030), (539, 386540), (605, 344372), (686, 303710), (770, 270578), (847, 245980), (980, 212597), (1004, 207515), (1078, 193270), (1210, 172186), (1255, 166012), (1372, 151855), (1540, 135289), (1694, 122990), (1715, 121484), (1757, 118580), (2156, 96635), (2420, 86093), (2510, 83006), (2695, 77308), (2761, 75460), (3388, 61495), (3430, 60742), (3514, 59290), (3773, 55220), (4235, 49196), (5020, 41503), (5390, 38654), (5522, 37730), (5929, 35140), (6860, 30371), (7028, 29645), (7546, 27610), (8470, 24598), (8785, 23716), (10780, 19327), (11044, 18865), (11858, 17570), (12299, 16940), (13805, 15092)]