198956940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2803}}^1$

素因数の和:2848

約数の個数: 144

約数和(自身を含む): 689649408

約数和(自身を除く): 490692468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 2803, 3380, 3549, 4732, 5070, 5460, 5606, 5915, 7098, 8409, 10140, 11212, 11830, 14015, 14196, 16818, 17745, 19621, 23660, 28030, 33636, 35490, 36439, 39242, 42045, 56060, 58863, 70980, 72878, 78484, 84090, 98105, 109317, 117726, 145756, 168180, 182195, 196210, 218634, 235452, 255073, 294315, 364390, 392420, 437268, 473707, 510146, 546585, 588630, 728780, 765219, 947414, 1020292, 1093170, 1177260, 1275365, 1421121, 1530438, 1894828, 2186340, 2368535, 2550730, 2842242, 3060876, 3315949, 3826095, 4737070, 5101460, 5684484, 6631898, 7105605, 7652190, 9474140, 9947847, 13263796, 14211210, 15304380, 16579745, 19895694, 28422420, 33159490, 39791388, 49739235, 66318980, 99478470, 198956940]

約数ペア:

[(1, 198956940), (2, 99478470), (3, 66318980), (4, 49739235), (5, 39791388), (6, 33159490), (7, 28422420), (10, 19895694), (12, 16579745), (13, 15304380), (14, 14211210), (15, 13263796), (20, 9947847), (21, 9474140), (26, 7652190), (28, 7105605), (30, 6631898), (35, 5684484), (39, 5101460), (42, 4737070), (52, 3826095), (60, 3315949), (65, 3060876), (70, 2842242), (78, 2550730), (84, 2368535), (91, 2186340), (105, 1894828), (130, 1530438), (140, 1421121), (156, 1275365), (169, 1177260), (182, 1093170), (195, 1020292), (210, 947414), (260, 765219), (273, 728780), (338, 588630), (364, 546585), (390, 510146), (420, 473707), (455, 437268), (507, 392420), (546, 364390), (676, 294315), (780, 255073), (845, 235452), (910, 218634), (1014, 196210), (1092, 182195), (1183, 168180), (1365, 145756), (1690, 117726), (1820, 109317), (2028, 98105), (2366, 84090), (2535, 78484), (2730, 72878), (2803, 70980), (3380, 58863), (3549, 56060), (4732, 42045), (5070, 39242), (5460, 36439), (5606, 35490), (5915, 33636), (7098, 28030), (8409, 23660), (10140, 19621), (11212, 17745), (11830, 16818), (14015, 14196)]