38798820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 118198080

約数和(自身を除く): 79399260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 491, 878, 982, 1317, 1473, 1756, 1964, 2195, 2455, 2634, 2946, 3951, 4390, 4419, 4910, 5268, 5892, 6585, 7365, 7902, 8780, 8838, 9820, 13170, 14730, 15804, 17676, 19755, 22095, 26340, 29460, 39510, 44190, 79020, 88380, 215549, 431098, 646647, 862196, 1077745, 1293294, 1939941, 2155490, 2586588, 3233235, 3879882, 4310980, 6466470, 7759764, 9699705, 12932940, 19399410, 38798820]

約数ペア:

[(1, 38798820), (2, 19399410), (3, 12932940), (4, 9699705), (5, 7759764), (6, 6466470), (9, 4310980), (10, 3879882), (12, 3233235), (15, 2586588), (18, 2155490), (20, 1939941), (30, 1293294), (36, 1077745), (45, 862196), (60, 646647), (90, 431098), (180, 215549), (439, 88380), (491, 79020), (878, 44190), (982, 39510), (1317, 29460), (1473, 26340), (1756, 22095), (1964, 19755), (2195, 17676), (2455, 15804), (2634, 14730), (2946, 13170), (3951, 9820), (4390, 8838), (4419, 8780), (4910, 7902), (5268, 7365), (5892, 6585)]