172937180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16223}}^1$

素因数の和:16286

約数の個数: 48

約数和(自身を含む): 400667904

約数和(自身を除く): 227730724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 16223, 32446, 64892, 81115, 162230, 210899, 324460, 421798, 665143, 843596, 1054495, 1330286, 2108990, 2660572, 3325715, 4217980, 6651430, 8646859, 13302860, 17293718, 34587436, 43234295, 86468590, 172937180]

約数ペア:

[(1, 172937180), (2, 86468590), (4, 43234295), (5, 34587436), (10, 17293718), (13, 13302860), (20, 8646859), (26, 6651430), (41, 4217980), (52, 3325715), (65, 2660572), (82, 2108990), (130, 1330286), (164, 1054495), (205, 843596), (260, 665143), (410, 421798), (533, 324460), (820, 210899), (1066, 162230), (2132, 81115), (2665, 64892), (5330, 32446), (10660, 16223)]