123420220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^2$

素因数の和:248

約数の個数: 108

約数和(自身を含む): 332009496

約数和(自身を除く): 208589276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 107, 110, 140, 154, 196, 214, 220, 245, 308, 385, 428, 490, 535, 539, 749, 770, 980, 1070, 1078, 1177, 1498, 1540, 2140, 2156, 2354, 2695, 2996, 3745, 4708, 5243, 5390, 5885, 7490, 8239, 10486, 10780, 11449, 11770, 14980, 16478, 20972, 22898, 23540, 26215, 32956, 41195, 45796, 52430, 57245, 57673, 80143, 82390, 104860, 114490, 115346, 125939, 160286, 164780, 228980, 230692, 251878, 288365, 320572, 400715, 503756, 561001, 576730, 629695, 801430, 881573, 1122002, 1153460, 1259390, 1602860, 1763146, 2244004, 2518780, 2805005, 3526292, 4407865, 5610010, 6171011, 8815730, 11220020, 12342022, 17631460, 24684044, 30855055, 61710110, 123420220]

約数ペア:

[(1, 123420220), (2, 61710110), (4, 30855055), (5, 24684044), (7, 17631460), (10, 12342022), (11, 11220020), (14, 8815730), (20, 6171011), (22, 5610010), (28, 4407865), (35, 3526292), (44, 2805005), (49, 2518780), (55, 2244004), (70, 1763146), (77, 1602860), (98, 1259390), (107, 1153460), (110, 1122002), (140, 881573), (154, 801430), (196, 629695), (214, 576730), (220, 561001), (245, 503756), (308, 400715), (385, 320572), (428, 288365), (490, 251878), (535, 230692), (539, 228980), (749, 164780), (770, 160286), (980, 125939), (1070, 115346), (1078, 114490), (1177, 104860), (1498, 82390), (1540, 80143), (2140, 57673), (2156, 57245), (2354, 52430), (2695, 45796), (2996, 41195), (3745, 32956), (4708, 26215), (5243, 23540), (5390, 22898), (5885, 20972), (7490, 16478), (8239, 14980), (10486, 11770), (10780, 11449)]