209380860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6883}}^1$

素因数の和:6924

約数の個数: 108

約数和(自身を含む): 687835512

約数和(自身を除く): 478454652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 6883, 7605, 10140, 13766, 15210, 20649, 27532, 30420, 34415, 41298, 61947, 68830, 82596, 89479, 103245, 123894, 137660, 178958, 206490, 247788, 268437, 309735, 357916, 412980, 447395, 536874, 619470, 805311, 894790, 1073748, 1163227, 1238940, 1342185, 1610622, 1789580, 2326454, 2684370, 3221244, 3489681, 4026555, 4652908, 5368740, 5816135, 6979362, 8053110, 10469043, 11632270, 13958724, 16106220, 17448405, 20938086, 23264540, 34896810, 41876172, 52345215, 69793620, 104690430, 209380860]

約数ペア:

[(1, 209380860), (2, 104690430), (3, 69793620), (4, 52345215), (5, 41876172), (6, 34896810), (9, 23264540), (10, 20938086), (12, 17448405), (13, 16106220), (15, 13958724), (18, 11632270), (20, 10469043), (26, 8053110), (30, 6979362), (36, 5816135), (39, 5368740), (45, 4652908), (52, 4026555), (60, 3489681), (65, 3221244), (78, 2684370), (90, 2326454), (117, 1789580), (130, 1610622), (156, 1342185), (169, 1238940), (180, 1163227), (195, 1073748), (234, 894790), (260, 805311), (338, 619470), (390, 536874), (468, 447395), (507, 412980), (585, 357916), (676, 309735), (780, 268437), (845, 247788), (1014, 206490), (1170, 178958), (1521, 137660), (1690, 123894), (2028, 103245), (2340, 89479), (2535, 82596), (3042, 68830), (3380, 61947), (5070, 41298), (6084, 34415), (6883, 30420), (7605, 27532), (10140, 20649), (13766, 15210)]