145847940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347257}}^1$

素因数の和:347276

約数の個数: 48

約数和(自身を含む): 466714752

約数和(自身を除く): 320866812

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, 347257, 694514, 1041771, 1389028, 1736285, 2083542, 2430799, 3472570, 4167084, 4861598, 5208855, 6945140, 7292397, 9723196, 10417710, 12153995, 14584794, 20835420, 24307990, 29169588, 36461985, 48615980, 72923970, 145847940]

約数ペア:

[(1, 145847940), (2, 72923970), (3, 48615980), (4, 36461985), (5, 29169588), (6, 24307990), (7, 20835420), (10, 14584794), (12, 12153995), (14, 10417710), (15, 9723196), (20, 7292397), (21, 6945140), (28, 5208855), (30, 4861598), (35, 4167084), (42, 3472570), (60, 2430799), (70, 2083542), (84, 1736285), (105, 1389028), (140, 1041771), (210, 694514), (420, 347257)]