204913410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 128

約数和(自身を含む): 579446784

約数和(自身を除く): 374533374

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 130, 155, 170, 186, 195, 221, 255, 310, 390, 403, 442, 465, 510, 527, 663, 806, 930, 997, 1054, 1105, 1209, 1326, 1581, 1994, 2015, 2210, 2418, 2635, 2991, 3162, 3315, 4030, 4985, 5270, 5982, 6045, 6630, 6851, 7905, 9970, 12090, 12961, 13702, 14955, 15810, 16949, 20553, 25922, 29910, 30907, 33898, 34255, 38883, 41106, 50847, 61814, 64805, 68510, 77766, 84745, 92721, 101694, 102765, 129610, 154535, 169490, 185442, 194415, 205530, 220337, 254235, 309070, 388830, 401791, 440674, 463605, 508470, 525419, 661011, 803582, 927210, 1050838, 1101685, 1205373, 1322022, 1576257, 2008955, 2203370, 2410746, 2627095, 3152514, 3305055, 4017910, 5254190, 6026865, 6610110, 6830447, 7881285, 12053730, 13660894, 15762570, 20491341, 34152235, 40982682, 68304470, 102456705, 204913410]

約数ペア:

[(1, 204913410), (2, 102456705), (3, 68304470), (5, 40982682), (6, 34152235), (10, 20491341), (13, 15762570), (15, 13660894), (17, 12053730), (26, 7881285), (30, 6830447), (31, 6610110), (34, 6026865), (39, 5254190), (51, 4017910), (62, 3305055), (65, 3152514), (78, 2627095), (85, 2410746), (93, 2203370), (102, 2008955), (130, 1576257), (155, 1322022), (170, 1205373), (186, 1101685), (195, 1050838), (221, 927210), (255, 803582), (310, 661011), (390, 525419), (403, 508470), (442, 463605), (465, 440674), (510, 401791), (527, 388830), (663, 309070), (806, 254235), (930, 220337), (997, 205530), (1054, 194415), (1105, 185442), (1209, 169490), (1326, 154535), (1581, 129610), (1994, 102765), (2015, 101694), (2210, 92721), (2418, 84745), (2635, 77766), (2991, 68510), (3162, 64805), (3315, 61814), (4030, 50847), (4985, 41106), (5270, 38883), (5982, 34255), (6045, 33898), (6630, 30907), (6851, 29910), (7905, 25922), (9970, 20553), (12090, 16949), (12961, 15810), (13702, 14955)]