398236680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1106213}}^1$

素因数の和:1106230

約数の個数: 48

約数和(自身を含む): 1294270380

約数和(自身を除く): 896033700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1106213, 2212426, 3318639, 4424852, 5531065, 6637278, 8849704, 9955917, 11062130, 13274556, 16593195, 19911834, 22124260, 26549112, 33186390, 39823668, 44248520, 49779585, 66372780, 79647336, 99559170, 132745560, 199118340, 398236680]

約数ペア:

[(1, 398236680), (2, 199118340), (3, 132745560), (4, 99559170), (5, 79647336), (6, 66372780), (8, 49779585), (9, 44248520), (10, 39823668), (12, 33186390), (15, 26549112), (18, 22124260), (20, 19911834), (24, 16593195), (30, 13274556), (36, 11062130), (40, 9955917), (45, 8849704), (60, 6637278), (72, 5531065), (90, 4424852), (120, 3318639), (180, 2212426), (360, 1106213)]