878040.00000000

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 98899920

約数和(自身を除く): 56505220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 380, 421, 475, 530, 842, 950, 1007, 1060, 1325, 1684, 1900, 2014, 2105, 2650, 4028, 4210, 5035, 5300, 7999, 8420, 10070, 10525, 15998, 20140, 21050, 22313, 25175, 31996, 39995, 42100, 44626, 50350, 79990, 89252, 100700, 111565, 159980, 199975, 223130, 399950, 423947, 446260, 557825, 799900, 847894, 1115650, 1695788, 2119735, 2231300, 4239470, 8478940, 10598675, 21197350, 42394700]

約数ペア:

[(1, 42394700), (2, 21197350), (4, 10598675), (5, 8478940), (10, 4239470), (19, 2231300), (20, 2119735), (25, 1695788), (38, 1115650), (50, 847894), (53, 799900), (76, 557825), (95, 446260), (100, 423947), (106, 399950), (190, 223130), (212, 199975), (265, 159980), (380, 111565), (421, 100700), (475, 89252), (530, 79990), (842, 50350), (950, 44626), (1007, 42100), (1060, 39995), (1325, 31996), (1684, 25175), (1900, 22313), (2014, 21050), (2105, 20140), (2650, 15998), (4028, 10525), (4210, 10070), (5035, 8420), (5300, 7999)]