404855890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{2663}}^1$

素因数の和:3354

約数の個数: 32

約数和(自身を含む): 761861376

約数和(自身を除く): 357005486

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 661, 1322, 2663, 3305, 5326, 6610, 13315, 15203, 26630, 30406, 61249, 76015, 122498, 152030, 306245, 612490, 1760243, 3520486, 8801215, 17602430, 40485589, 80971178, 202427945, 404855890]

約数ペア:

[(1, 404855890), (2, 202427945), (5, 80971178), (10, 40485589), (23, 17602430), (46, 8801215), (115, 3520486), (230, 1760243), (661, 612490), (1322, 306245), (2663, 152030), (3305, 122498), (5326, 76015), (6610, 61249), (13315, 30406), (15203, 26630)]