219950900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2383}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 521466624

約数和(自身を除く): 301515724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 650, 710, 923, 1300, 1420, 1775, 1846, 2383, 3550, 3692, 4615, 4766, 7100, 9230, 9532, 11915, 18460, 23075, 23830, 30979, 46150, 47660, 59575, 61958, 92300, 119150, 123916, 154895, 169193, 238300, 309790, 338386, 619580, 676772, 774475, 845965, 1548950, 1691930, 2199509, 3097900, 3383860, 4229825, 4399018, 8459650, 8798036, 10997545, 16919300, 21995090, 43990180, 54987725, 109975450, 219950900]

約数ペア:

[(1, 219950900), (2, 109975450), (4, 54987725), (5, 43990180), (10, 21995090), (13, 16919300), (20, 10997545), (25, 8798036), (26, 8459650), (50, 4399018), (52, 4229825), (65, 3383860), (71, 3097900), (100, 2199509), (130, 1691930), (142, 1548950), (260, 845965), (284, 774475), (325, 676772), (355, 619580), (650, 338386), (710, 309790), (923, 238300), (1300, 169193), (1420, 154895), (1775, 123916), (1846, 119150), (2383, 92300), (3550, 61958), (3692, 59575), (4615, 47660), (4766, 46150), (7100, 30979), (9230, 23830), (9532, 23075), (11915, 18460)]