28640290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17789}}^1$

素因数の和:17826

約数の個数: 32

約数和(自身を含む): 61482240

約数和(自身を除く): 32841950

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 17789, 35578, 88945, 124523, 177890, 249046, 409147, 622615, 818294, 1245230, 2045735, 2864029, 4091470, 5728058, 14320145, 28640290]

約数ペア:

[(1, 28640290), (2, 14320145), (5, 5728058), (7, 4091470), (10, 2864029), (14, 2045735), (23, 1245230), (35, 818294), (46, 622615), (70, 409147), (115, 249046), (161, 177890), (230, 124523), (322, 88945), (805, 35578), (1610, 17789)]