231701820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{551671}}^1$

素因数の和:551690

約数の個数: 48

約数和(自身を含む): 741447168

約数和(自身を除く): 509745348

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, 551671, 1103342, 1655013, 2206684, 2758355, 3310026, 3861697, 5516710, 6620052, 7723394, 8275065, 11033420, 11585091, 15446788, 16550130, 19308485, 23170182, 33100260, 38616970, 46340364, 57925455, 77233940, 115850910, 231701820]

約数ペア:

[(1, 231701820), (2, 115850910), (3, 77233940), (4, 57925455), (5, 46340364), (6, 38616970), (7, 33100260), (10, 23170182), (12, 19308485), (14, 16550130), (15, 15446788), (20, 11585091), (21, 11033420), (28, 8275065), (30, 7723394), (35, 6620052), (42, 5516710), (60, 3861697), (70, 3310026), (84, 2758355), (105, 2206684), (140, 1655013), (210, 1103342), (420, 551671)]