311619440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11423}}^1$

素因数の和:11478

約数の個数: 80

約数和(自身を含む): 815947776

約数和(自身を除く): 504328336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 11423, 13640, 22846, 27280, 45692, 57115, 91384, 114230, 125653, 182768, 228460, 251306, 354113, 456920, 502612, 628265, 708226, 913840, 1005224, 1256530, 1416452, 1770565, 2010448, 2513060, 2832904, 3541130, 3895243, 5026120, 5665808, 7082260, 7790486, 10052240, 14164520, 15580972, 19476215, 28329040, 31161944, 38952430, 62323888, 77904860, 155809720, 311619440]

約数ペア:

[(1, 311619440), (2, 155809720), (4, 77904860), (5, 62323888), (8, 38952430), (10, 31161944), (11, 28329040), (16, 19476215), (20, 15580972), (22, 14164520), (31, 10052240), (40, 7790486), (44, 7082260), (55, 5665808), (62, 5026120), (80, 3895243), (88, 3541130), (110, 2832904), (124, 2513060), (155, 2010448), (176, 1770565), (220, 1416452), (248, 1256530), (310, 1005224), (341, 913840), (440, 708226), (496, 628265), (620, 502612), (682, 456920), (880, 354113), (1240, 251306), (1364, 228460), (1705, 182768), (2480, 125653), (2728, 114230), (3410, 91384), (5456, 57115), (6820, 45692), (11423, 27280), (13640, 22846)]