30884980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1321}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 74624256

約数和(自身を除く): 43739276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1321, 1670, 2338, 2642, 3340, 4676, 5284, 5845, 6605, 9247, 11690, 13210, 18494, 23380, 26420, 36988, 46235, 92470, 184940, 220607, 441214, 882428, 1103035, 1544249, 2206070, 3088498, 4412140, 6176996, 7721245, 15442490, 30884980]

約数ペア:

[(1, 30884980), (2, 15442490), (4, 7721245), (5, 6176996), (7, 4412140), (10, 3088498), (14, 2206070), (20, 1544249), (28, 1103035), (35, 882428), (70, 441214), (140, 220607), (167, 184940), (334, 92470), (668, 46235), (835, 36988), (1169, 26420), (1321, 23380), (1670, 18494), (2338, 13210), (2642, 11690), (3340, 9247), (4676, 6605), (5284, 5845)]