31109820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74071}}^1$

素因数の和:74090

約数の個数: 48

約数和(自身を含む): 99552768

約数和(自身を除く): 68442948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74071, 148142, 222213, 296284, 370355, 444426, 518497, 740710, 888852, 1036994, 1111065, 1481420, 1555491, 2073988, 2222130, 2592485, 3110982, 4444260, 5184970, 6221964, 7777455, 10369940, 15554910, 31109820]

約数ペア:

[(1, 31109820), (2, 15554910), (3, 10369940), (4, 7777455), (5, 6221964), (6, 5184970), (7, 4444260), (10, 3110982), (12, 2592485), (14, 2222130), (15, 2073988), (20, 1555491), (21, 1481420), (28, 1111065), (30, 1036994), (35, 888852), (42, 740710), (60, 518497), (70, 444426), (84, 370355), (105, 296284), (140, 222213), (210, 148142), (420, 74071)]