90688780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3833}}^1$

素因数の和:3875

約数の個数: 72

約数和(自身を含む): 235744992

約数和(自身を除く): 145056212

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 3833, 4732, 5915, 7666, 11830, 15332, 19165, 23660, 26831, 38330, 49829, 53662, 76660, 99658, 107324, 134155, 199316, 249145, 268310, 348803, 498290, 536620, 647777, 697606, 996580, 1295554, 1395212, 1744015, 2591108, 3238885, 3488030, 4534439, 6477770, 6976060, 9068878, 12955540, 18137756, 22672195, 45344390, 90688780]

約数ペア:

[(1, 90688780), (2, 45344390), (4, 22672195), (5, 18137756), (7, 12955540), (10, 9068878), (13, 6976060), (14, 6477770), (20, 4534439), (26, 3488030), (28, 3238885), (35, 2591108), (52, 1744015), (65, 1395212), (70, 1295554), (91, 996580), (130, 697606), (140, 647777), (169, 536620), (182, 498290), (260, 348803), (338, 268310), (364, 249145), (455, 199316), (676, 134155), (845, 107324), (910, 99658), (1183, 76660), (1690, 53662), (1820, 49829), (2366, 38330), (3380, 26831), (3833, 23660), (4732, 19165), (5915, 15332), (7666, 11830)]