211598820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61871}}^1$

素因数の和:61905

約数の個数: 72

約数和(自身を含む): 675642240

約数和(自身を除く): 464043420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 61871, 123742, 185613, 247484, 309355, 371226, 556839, 618710, 742452, 928065, 1113678, 1175549, 1237420, 1856130, 2227356, 2351098, 2784195, 3526647, 3712260, 4702196, 5568390, 5877745, 7053294, 10579941, 11136780, 11755490, 14106588, 17633235, 21159882, 23510980, 35266470, 42319764, 52899705, 70532940, 105799410, 211598820]

約数ペア:

[(1, 211598820), (2, 105799410), (3, 70532940), (4, 52899705), (5, 42319764), (6, 35266470), (9, 23510980), (10, 21159882), (12, 17633235), (15, 14106588), (18, 11755490), (19, 11136780), (20, 10579941), (30, 7053294), (36, 5877745), (38, 5568390), (45, 4702196), (57, 3712260), (60, 3526647), (76, 2784195), (90, 2351098), (95, 2227356), (114, 1856130), (171, 1237420), (180, 1175549), (190, 1113678), (228, 928065), (285, 742452), (342, 618710), (380, 556839), (570, 371226), (684, 309355), (855, 247484), (1140, 185613), (1710, 123742), (3420, 61871)]