212749460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 591669120

約数和(自身を除く): 378919660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 121, 133, 140, 154, 190, 209, 220, 242, 266, 308, 380, 385, 418, 484, 532, 605, 661, 665, 770, 836, 847, 1045, 1210, 1322, 1330, 1463, 1540, 1694, 2090, 2299, 2420, 2644, 2660, 2926, 3305, 3388, 4180, 4235, 4598, 4627, 5852, 6610, 7271, 7315, 8470, 9196, 9254, 11495, 12559, 13220, 14542, 14630, 16093, 16940, 18508, 22990, 23135, 25118, 29084, 29260, 32186, 36355, 45980, 46270, 50236, 50897, 62795, 64372, 72710, 79981, 80465, 87913, 92540, 101794, 125590, 138149, 145420, 159962, 160930, 175826, 203588, 251180, 254485, 276298, 319924, 321860, 351652, 399905, 439565, 508970, 552596, 559867, 690745, 799810, 879130, 967043, 1017940, 1119734, 1381490, 1519639, 1599620, 1758260, 1934086, 2239468, 2762980, 2799335, 3039278, 3868172, 4835215, 5598670, 6078556, 7598195, 9670430, 10637473, 11197340, 15196390, 19340860, 21274946, 30392780, 42549892, 53187365, 106374730, 212749460]

約数ペア:

[(1, 212749460), (2, 106374730), (4, 53187365), (5, 42549892), (7, 30392780), (10, 21274946), (11, 19340860), (14, 15196390), (19, 11197340), (20, 10637473), (22, 9670430), (28, 7598195), (35, 6078556), (38, 5598670), (44, 4835215), (55, 3868172), (70, 3039278), (76, 2799335), (77, 2762980), (95, 2239468), (110, 1934086), (121, 1758260), (133, 1599620), (140, 1519639), (154, 1381490), (190, 1119734), (209, 1017940), (220, 967043), (242, 879130), (266, 799810), (308, 690745), (380, 559867), (385, 552596), (418, 508970), (484, 439565), (532, 399905), (605, 351652), (661, 321860), (665, 319924), (770, 276298), (836, 254485), (847, 251180), (1045, 203588), (1210, 175826), (1322, 160930), (1330, 159962), (1463, 145420), (1540, 138149), (1694, 125590), (2090, 101794), (2299, 92540), (2420, 87913), (2644, 80465), (2660, 79981), (2926, 72710), (3305, 64372), (3388, 62795), (4180, 50897), (4235, 50236), (4598, 46270), (4627, 45980), (5852, 36355), (6610, 32186), (7271, 29260), (7315, 29084), (8470, 25118), (9196, 23135), (9254, 22990), (11495, 18508), (12559, 16940), (13220, 16093), (14542, 14630)]