72660140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{74143}}^1$

素因数の和:74166

約数の個数: 36

約数和(自身を含む): 177500736

約数和(自身を除く): 104840596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 74143, 148286, 296572, 370715, 519001, 741430, 1038002, 1482860, 2076004, 2595005, 3633007, 5190010, 7266014, 10380020, 14532028, 18165035, 36330070, 72660140]

約数ペア:

[(1, 72660140), (2, 36330070), (4, 18165035), (5, 14532028), (7, 10380020), (10, 7266014), (14, 5190010), (20, 3633007), (28, 2595005), (35, 2076004), (49, 1482860), (70, 1038002), (98, 741430), (140, 519001), (196, 370715), (245, 296572), (490, 148286), (980, 74143)]