1517759900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11251}}^1$

素因数の和:11355

約数の個数: 72

約数和(自身を含む): 3516024960

約数和(自身を除く): 1998265060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 710, 950, 1349, 1420, 1775, 1900, 2698, 3550, 5396, 6745, 7100, 11251, 13490, 22502, 26980, 33725, 45004, 56255, 67450, 112510, 134900, 213769, 225020, 281275, 427538, 562550, 798821, 855076, 1068845, 1125100, 1597642, 2137690, 3195284, 3994105, 4275380, 5344225, 7988210, 10688450, 15177599, 15976420, 19970525, 21376900, 30355198, 39941050, 60710396, 75887995, 79882100, 151775990, 303551980, 379439975, 758879950, 1517759900]

約数ペア:

[(1, 1517759900), (2, 758879950), (4, 379439975), (5, 303551980), (10, 151775990), (19, 79882100), (20, 75887995), (25, 60710396), (38, 39941050), (50, 30355198), (71, 21376900), (76, 19970525), (95, 15976420), (100, 15177599), (142, 10688450), (190, 7988210), (284, 5344225), (355, 4275380), (380, 3994105), (475, 3195284), (710, 2137690), (950, 1597642), (1349, 1125100), (1420, 1068845), (1775, 855076), (1900, 798821), (2698, 562550), (3550, 427538), (5396, 281275), (6745, 225020), (7100, 213769), (11251, 134900), (13490, 112510), (22502, 67450), (26980, 56255), (33725, 45004)]