131331380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3911}}^1$

素因数の和:4016

約数の個数: 48

約数和(自身を含む): 291803904

約数和(自身を除く): 160472524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 1460, 1679, 3358, 3911, 6716, 7822, 8395, 15644, 16790, 19555, 33580, 39110, 78220, 89953, 179906, 285503, 359812, 449765, 571006, 899530, 1142012, 1427515, 1799060, 2855030, 5710060, 6566569, 13133138, 26266276, 32832845, 65665690, 131331380]

約数ペア:

[(1, 131331380), (2, 65665690), (4, 32832845), (5, 26266276), (10, 13133138), (20, 6566569), (23, 5710060), (46, 2855030), (73, 1799060), (92, 1427515), (115, 1142012), (146, 899530), (230, 571006), (292, 449765), (365, 359812), (460, 285503), (730, 179906), (1460, 89953), (1679, 78220), (3358, 39110), (3911, 33580), (6716, 19555), (7822, 16790), (8395, 15644)]