398775420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38867}}^1$

素因数の和:38904

約数の個数: 96

約数和(自身を含む): 1305964800

約数和(自身を除く): 907189380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 38867, 77734, 116601, 155468, 194335, 233202, 349803, 388670, 466404, 583005, 699606, 738473, 777340, 1049409, 1166010, 1399212, 1476946, 1749015, 2098818, 2215419, 2332020, 2953892, 3498030, 3692365, 4197636, 4430838, 5247045, 6646257, 6996060, 7384730, 8861676, 10494090, 11077095, 13292514, 14769460, 19938771, 20988180, 22154190, 26585028, 33231285, 39877542, 44308380, 66462570, 79755084, 99693855, 132925140, 199387710, 398775420]

約数ペア:

[(1, 398775420), (2, 199387710), (3, 132925140), (4, 99693855), (5, 79755084), (6, 66462570), (9, 44308380), (10, 39877542), (12, 33231285), (15, 26585028), (18, 22154190), (19, 20988180), (20, 19938771), (27, 14769460), (30, 13292514), (36, 11077095), (38, 10494090), (45, 8861676), (54, 7384730), (57, 6996060), (60, 6646257), (76, 5247045), (90, 4430838), (95, 4197636), (108, 3692365), (114, 3498030), (135, 2953892), (171, 2332020), (180, 2215419), (190, 2098818), (228, 1749015), (270, 1476946), (285, 1399212), (342, 1166010), (380, 1049409), (513, 777340), (540, 738473), (570, 699606), (684, 583005), (855, 466404), (1026, 388670), (1140, 349803), (1710, 233202), (2052, 194335), (2565, 155468), (3420, 116601), (5130, 77734), (10260, 38867)]