394307375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 623241216

約数和(自身を除く): 228933841

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 77, 125, 175, 275, 355, 385, 497, 577, 781, 875, 1375, 1775, 1925, 2485, 2885, 3905, 4039, 5467, 6347, 8875, 9625, 12425, 14425, 19525, 20195, 27335, 31735, 40967, 44429, 62125, 72125, 97625, 100975, 136675, 158675, 204835, 222145, 286769, 450637, 504875, 683375, 793375, 1024175, 1110725, 1433845, 2253185, 3154459, 5120875, 5553625, 7169225, 11265925, 15772295, 35846125, 56329625, 78861475, 394307375]

約数ペア:

[(1, 394307375), (5, 78861475), (7, 56329625), (11, 35846125), (25, 15772295), (35, 11265925), (55, 7169225), (71, 5553625), (77, 5120875), (125, 3154459), (175, 2253185), (275, 1433845), (355, 1110725), (385, 1024175), (497, 793375), (577, 683375), (781, 504875), (875, 450637), (1375, 286769), (1775, 222145), (1925, 204835), (2485, 158675), (2885, 136675), (3905, 100975), (4039, 97625), (5467, 72125), (6347, 62125), (8875, 44429), (9625, 40967), (12425, 31735), (14425, 27335), (19525, 20195)]