2019069980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1\times {\mathrm{2503}}^1$

素因数の和:3326

約数の個数: 48

約数和(自身を含む): 4327452864

約数和(自身を除く): 2308382884

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 761, 1060, 1522, 2503, 3044, 3805, 5006, 7610, 10012, 12515, 15220, 25030, 40333, 50060, 80666, 132659, 161332, 201665, 265318, 403330, 530636, 663295, 806660, 1326590, 1904783, 2653180, 3809566, 7619132, 9523915, 19047830, 38095660, 100953499, 201906998, 403813996, 504767495, 1009534990, 2019069980]

約数ペア:

[(1, 2019069980), (2, 1009534990), (4, 504767495), (5, 403813996), (10, 201906998), (20, 100953499), (53, 38095660), (106, 19047830), (212, 9523915), (265, 7619132), (530, 3809566), (761, 2653180), (1060, 1904783), (1522, 1326590), (2503, 806660), (3044, 663295), (3805, 530636), (5006, 403330), (7610, 265318), (10012, 201665), (12515, 161332), (15220, 132659), (25030, 80666), (40333, 50060)]