30380355

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 25218045

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 149, 197, 207, 345, 447, 591, 745, 985, 1035, 1341, 1773, 2235, 2955, 3427, 4531, 6705, 8865, 10281, 13593, 17135, 22655, 29353, 30843, 40779, 51405, 67965, 88059, 146765, 154215, 203895, 264177, 440295, 675119, 1320885, 2025357, 3375595, 6076071, 10126785, 30380355]

約数ペア:

[(1, 30380355), (3, 10126785), (5, 6076071), (9, 3375595), (15, 2025357), (23, 1320885), (45, 675119), (69, 440295), (115, 264177), (149, 203895), (197, 154215), (207, 146765), (345, 88059), (447, 67965), (591, 51405), (745, 40779), (985, 30843), (1035, 29353), (1341, 22655), (1773, 17135), (2235, 13593), (2955, 10281), (3427, 8865), (4531, 6705)]