144784220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{147739}}^1$

素因数の和:147762

約数の個数: 36

約数和(自身を含む): 353689560

約数和(自身を除く): 208905340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 147739, 295478, 590956, 738695, 1034173, 1477390, 2068346, 2954780, 4136692, 5170865, 7239211, 10341730, 14478422, 20683460, 28956844, 36196055, 72392110, 144784220]

約数ペア:

[(1, 144784220), (2, 72392110), (4, 36196055), (5, 28956844), (7, 20683460), (10, 14478422), (14, 10341730), (20, 7239211), (28, 5170865), (35, 4136692), (49, 2954780), (70, 2068346), (98, 1477390), (140, 1034173), (196, 738695), (245, 590956), (490, 295478), (980, 147739)]