491930210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 950600448

約数和(自身を除く): 458670238

約数列:

[1, 2, 5, 10, 23, 46, 73, 83, 115, 146, 166, 230, 353, 365, 415, 706, 730, 830, 1679, 1765, 1909, 3358, 3530, 3818, 6059, 8119, 8395, 9545, 12118, 16238, 16790, 19090, 25769, 29299, 30295, 40595, 51538, 58598, 60590, 81190, 128845, 139357, 146495, 257690, 278714, 292990, 592687, 673877, 696785, 1185374, 1347754, 1393570, 2138827, 2963435, 3369385, 4277654, 5926870, 6738770, 10694135, 21388270, 49193021, 98386042, 245965105, 491930210]

約数ペア:

[(1, 491930210), (2, 245965105), (5, 98386042), (10, 49193021), (23, 21388270), (46, 10694135), (73, 6738770), (83, 5926870), (115, 4277654), (146, 3369385), (166, 2963435), (230, 2138827), (353, 1393570), (365, 1347754), (415, 1185374), (706, 696785), (730, 673877), (830, 592687), (1679, 292990), (1765, 278714), (1909, 257690), (3358, 146495), (3530, 139357), (3818, 128845), (6059, 81190), (8119, 60590), (8395, 58598), (9545, 51538), (12118, 40595), (16238, 30295), (16790, 29299), (19090, 25769)]