289797900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{137999}}^1$

素因数の和:138023

約数の個数: 72

約数和(自身を含む): 958272000

約数和(自身を除く): 668474100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 137999, 275998, 413997, 551996, 689995, 827994, 965993, 1379990, 1655988, 1931986, 2069985, 2759980, 2897979, 3449975, 3863972, 4139970, 4829965, 5795958, 6899950, 8279940, 9659930, 10349925, 11591916, 13799900, 14489895, 19319860, 20699850, 24149825, 28979790, 41399700, 48299650, 57959580, 72449475, 96599300, 144898950, 289797900]

約数ペア:

[(1, 289797900), (2, 144898950), (3, 96599300), (4, 72449475), (5, 57959580), (6, 48299650), (7, 41399700), (10, 28979790), (12, 24149825), (14, 20699850), (15, 19319860), (20, 14489895), (21, 13799900), (25, 11591916), (28, 10349925), (30, 9659930), (35, 8279940), (42, 6899950), (50, 5795958), (60, 4829965), (70, 4139970), (75, 3863972), (84, 3449975), (100, 2897979), (105, 2759980), (140, 2069985), (150, 1931986), (175, 1655988), (210, 1379990), (300, 965993), (350, 827994), (420, 689995), (525, 551996), (700, 413997), (1050, 275998), (2100, 137999)]