397730450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 72

約数和(自身を含む): 816934692

約数和(自身を除く): 419204242

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 277, 325, 470, 554, 611, 650, 1175, 1222, 1385, 2209, 2350, 2770, 3055, 3601, 4418, 6110, 6925, 7202, 11045, 13019, 13850, 15275, 18005, 22090, 26038, 28717, 30550, 36010, 55225, 57434, 65095, 90025, 110450, 130190, 143585, 169247, 180050, 287170, 325475, 338494, 611893, 650950, 717925, 846235, 1223786, 1435850, 1692470, 3059465, 4231175, 6118930, 7954609, 8462350, 15297325, 15909218, 30594650, 39773045, 79546090, 198865225, 397730450]

約数ペア:

[(1, 397730450), (2, 198865225), (5, 79546090), (10, 39773045), (13, 30594650), (25, 15909218), (26, 15297325), (47, 8462350), (50, 7954609), (65, 6118930), (94, 4231175), (130, 3059465), (235, 1692470), (277, 1435850), (325, 1223786), (470, 846235), (554, 717925), (611, 650950), (650, 611893), (1175, 338494), (1222, 325475), (1385, 287170), (2209, 180050), (2350, 169247), (2770, 143585), (3055, 130190), (3601, 110450), (4418, 90025), (6110, 65095), (6925, 57434), (7202, 55225), (11045, 36010), (13019, 30550), (13850, 28717), (15275, 26038), (18005, 22090)]