209360715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 370828800

約数和(自身を除く): 161468085

約数列:

[1, 3, 5, 15, 19, 29, 57, 73, 87, 95, 145, 219, 285, 347, 365, 435, 551, 1041, 1095, 1387, 1653, 1735, 2117, 2755, 4161, 5205, 6351, 6593, 6935, 8265, 10063, 10585, 19779, 20805, 25331, 30189, 31755, 32965, 40223, 50315, 75993, 98895, 120669, 126655, 150945, 191197, 201115, 379965, 481289, 573591, 603345, 734599, 955985, 1443867, 2203797, 2406445, 2867955, 3672995, 7219335, 11018985, 13957381, 41872143, 69786905, 209360715]

約数ペア:

[(1, 209360715), (3, 69786905), (5, 41872143), (15, 13957381), (19, 11018985), (29, 7219335), (57, 3672995), (73, 2867955), (87, 2406445), (95, 2203797), (145, 1443867), (219, 955985), (285, 734599), (347, 603345), (365, 573591), (435, 481289), (551, 379965), (1041, 201115), (1095, 191197), (1387, 150945), (1653, 126655), (1735, 120669), (2117, 98895), (2755, 75993), (4161, 50315), (5205, 40223), (6351, 32965), (6593, 31755), (6935, 30189), (8265, 25331), (10063, 20805), (10585, 19779)]