196420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 499968

約数和(自身を除く): 303548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 115, 122, 140, 161, 230, 244, 305, 322, 427, 460, 610, 644, 805, 854, 1220, 1403, 1610, 1708, 2135, 2806, 3220, 4270, 5612, 7015, 8540, 9821, 14030, 19642, 28060, 39284, 49105, 98210, 196420]

約数ペア:

[(1, 196420), (2, 98210), (4, 49105), (5, 39284), (7, 28060), (10, 19642), (14, 14030), (20, 9821), (23, 8540), (28, 7015), (35, 5612), (46, 4270), (61, 3220), (70, 2806), (92, 2135), (115, 1708), (122, 1610), (140, 1403), (161, 1220), (230, 854), (244, 805), (305, 644), (322, 610), (427, 460)]